Best Duoyi in 2026

【Five Hole Comparison Test & High Testing Accuracy】Spark plug tester has 5 spark plug sockets(1 standard test hole,4 test holes)you can test 5 spark plugs at the same time,by comparing the spark strength between the old and new spark plugs,judge the spark plug performance and ignition strength,replace the bad spark plugs in time.Spark plug tester can also simulate the work of the engine,restore the authenticity of the car rotate speed,save time and high efficiency,and the data is more accurate.

【Frequency adjustable from 200-9000rpm & Digital Display Screen】Spark plug tester has a wide range of operating frequency adjustment and is designed with a digital display screen.With the RPM button on the operating panel,you can adjust the operating frequency within the range of 200-9000rpm,which is clearly displayed on the digital display screen for precise control and more accurate measurement results.The higher the frequency setting of the spark plug tester, the stronger the spark strength.

【Easy to operate & Plug & Play】 Automotive spark plug tester is easy to operate,first insert the new spark plug into the standard test hole, then insert the old spark plug into the rest of the test hole; then insert the power adapter into the power connector; finally turn on the power switch,the corresponding indicator light of each test hole will light up and adjust the working frequency to compare and observe the working status of the spark plug. (Note: package does not include spark plugs)

【Polarity Recognition & Test/Activation Components & Grounding performance test】Electrical tester can automatically identify the positive and negative poles, such as the polarity of the test voltage, cables, and plugs.Circuit tester can also quickly check and activate components,detect ignition plugs,sensors,and check switches,relays and the on-off of diodes,fuses and circuits.It can also test the grounding performance and find the wrong ground connection immediately.

【Continuity test & Jumper Lead test & Tracking/Locating Short Circuit】Circuit tester can use the auxiliary ground lead to detect the on-off of the circuit,when encountering a control switch or open circuit,black clamp and auxiliary ground wire can be directly connected through the equipment for testing.When the component is short-circuited or overloaded, and lead to blown fuse or circuit breaker tripping, Circuit tester can help you trace the problem wires until the short is located.

【Overload Protection&Buzzer Prompt&Double Insulation Protection】Overload protection of the electrical tester ensures the safety of the user and the battery by disconnecting the circuit and buzzing prompt.When the current exceeds 10A,it will automatically disconnect the current.circuit tester uses insulating materials that have passed the National Safety Compulsory Certification (CCC) to provide insulation protection,prevent electric shock,and measure with confidence,which is safe and reliable.

【Short Circuit Following and Locating Test Light】The circuit tester is suitable for diagnostic in all 6V to 24V DC vehicle electrical systems. It can check switches, relays and the on-off of diodes, fuses and circuits, which can help you reduce diagnostic time in automotive electrical systems. In most cases, short circuit or instant overload of component will lead to blown fuse or circuit breaker tripping.This probe tester can assist you tracing problem wires and locating breaking points.

【Polarity Identification & Continuity Testing & Jumper Lead Operation】This power circuit probe tester can help you quickly identify positive and negative polarity of electric cables and plugs of vehicles. When the probe tip contact to the positive electrode, the RED light on. When the probe tip contact to the negative electrode, the GREEN light on. It can also test for continuity and do the jumper lead operation with the assistance of its auxiliary ground lead.

【Activate and Test Components In/Out of Vehicle’s Electrical System&Poor Ground Contact Testing】Power circuit probe tester could activate components in and out of the vehicle’s electrical system, test and check the components if defective or not, or if rating current of component is higher than that of the circuit tester. For some components, the negative terminal is required to be well grounded to cope with the flow of large currents, this circuit tester is a good tool to test their grounding.

【AC/DC Voltage Detection & Resistance/Diode Test】Power circuit probe tester has AC and DC voltage detection modes.AC detection can detect the maximum and minimum voltage of the circuit,power frequency and duty cycle.DC voltage can detect the voltage value of the circuit.In addition,the circuit tester can also detect the resistance between the circuit probe and the auxiliary ground, and the diode test can quickly test the operation of the diode assembly and determine whether it is conducting.

【Testing Poor Grounding&Current Overload Protection&Tracking/Locating Short Circuit】Circuit Breaker Finder can check for poor grounding contact and detect suspicious grounding wires,and judge the grounding status by observing the color of the LED light.Electrical tester has a built-in circuit breaker.If the internal circuit breaker is overloaded,it will trip and automatically disconnect the protection circuit,and can track and locate the short circuit without wasting the fuse.

【Activate Components & Supply Power To The Components & Buzzer Prompt Function】Circuit tester can activate the components in the hand,in the vehicle,and components with grounding.In addition to activating the component,the circuit tester can power the component to test its function.The electrical tester has a buzzer prompt function.If you want to check whether it is a positive line,the voltage will be displayed if it is a positive line,and a buzzer will be issued if it is not.

【Install Anti-scalding Ring to avoid accidental burns】Install it on the exhaust pipe, the motorcycle engine,It is suitable for a maximum temperature of 300 ° F,which can prevent the rider from being scalded by the hot muffler exhaust.(Note: Temperatures above 300°F may cause damage to the anti-scalding ring)

【Exhaust silencer tailpipe cover can protect the exhaust pipe from sand and stone damage】The exhaust pipe protective cover can protect the exhaust pipe from damage by sand and stone, or reduce the impact of friction damage on the exhaust pipe during a collision.

【High temperature & wear resistant exhaust Pipe Tape Protector cover】The universal anti-scalding ring is made of high-quality high-temperature resistant insulating protective glue,which is not easily deformed and has good wear resistance and heat resistance.

【Evaporation/Condensation Pressure and Temp Test&High/Low-pressure Temperature Test HVAC Manifold】The HVAC gauges could operate dual pressure and temperature test to help you determine refrigeration capacity of refrigeration system. The lower the pressure and temperature of the evaporation(Ev)/condensation(Co) are, the more efficient the refrigeration cycle and the greater the refrigeration capacity will do. It also could test the temperature of the refrigerant in the high/low-pressure pipes.

【Superheat and Subcooling Test&Pressure Leak Test】When refrigerant type is set and temperature clamps are connected to air conditioning pipes, HVAC gauges automatically read the degree of Superheat(SH) and Subcooling(SC). The higher the degree of superheat, the smaller the opening of the expansion valve (the refrigerant filling is less) can be determined. Calculate the pressure difference between the initial test pressure and the second test pressure to determine if the refrigerant is leaking.

【Vacuum Pumping & Refrigerant Filling & Built-in 89 kinds of Refrigerant Database HVAC Manifold】Digital manifold gauge set can connect refrigeration equipment and vacuum pump for vacuum pumping operation. Vacuum pumping can make it easier to fill the refrigerant into the pipeline. HVAC gauges is built-in 89 kinds of refrigerant pressure&temperature database. Before you fill refrigerant, you can set different types of working refrigerants according to the car needs to fill.

【Digital Manifold Gauge Set For 93 Refrigerants】Compared with other refrigerants meter,our digital manifold gauge can be filled with 93 types of refrigerants and has a wide range of applications.Meter have multiple functions such as dual pressure/temperature test,condensation evaporation pressure/temperature test,pressure leak test,vacuum degree test,calculation of supercooling/superheating.It is suitable for refrigeration equipment such as air conditioners, cold storages and refrigerators.

【Dual Pressure&Temp Test Of High/Low Pressure Pipelines】HVAC gauges can measure the pressure/temperature of the refrigerant in the high/low pressure pipelines of the air conditioner in real time.During the refrigerant pressure test,the meter can display the corresponding evaporation/condensation temperature.The smaller the deviation between the temperature measured by the temperature sensor and the evaporative condensation temp., the better the cooling effect and the quality of the refrigerant.

【Condensing/Evaporating Pressure And Temp Test&Supercooling/Superheating Test】During the refrigerant pressure test,it can automatically test the refrigerant condensation/evaporation pressure temp.The lower the condensation/evaporation pressure and temp, the better the cooling effect.The degree of supercooling/superheating is automatically read.The greater the degree of superheating,the less refrigerant is filling,the lower the degree of subcooling can improve the cooling capacity of the system.

1.[ Voltage Tester For Car For Circuit Fault Detection And Maintenance ]: This dc power tester is mainly used for low-voltage circuit fault detection and maintenance. It is mainly used for the testing of automotive circuits. It cannot be used for testing household circuits.

2.[ Low Voltage Circuit Tester For 6V V V DC Voltage ]: The DC voltage test range of this circuit tester is mainly low voltage of 6v v v. NOTE: The tester cannot be used for AC voltage.

3.[ Hook Probe Electrical Tester ]: The voltage tester has a unique hook probe design. Users only need one hand to find and fix the circuit under test more conveniently. Just gently pull the handle, you can use the probe to pierce the insulation and touch the copper wire. This makes the detection more convenient and faster. NOTE: Please do not use this tester to test a thick wire, so as not to be unable to test and lead to inaccurate test results.

1.[Coolant Reservoir Tank For Car Engine Maintenance]: Universal overflow resivior can be used as an exhaust gas engine oil pot and an overflow pot for the auxiliary water tank. Coolant expansion tanks can also be used to remove carbon deposits and accumulated sludge in the car's air intake system. So as to achieve the effect of extending the life of the engine and improving the performance of the engine.

2.[ Radiator Rreservoir Tank With Simple Working Principle ]When the pressure of the coolant in the radiator exceeds the set value of the pressure cover, the coolant is sealed by the pressure cover and flows into the radiator coolant overflow tank through the overflow pipe.

3.[ Coolant Overflow Tank With A Wide Range Of Applications ]: The radiator overflow tank is highly compatible and compatible with most cars. Please make sure that your vehicle has enough space to install it before buying.

【Digital Manifold Gauge Set】Manifold gauge kits are used to install, test and maintain refrigeration equipment (such as air conditioners, refrigerators and cold storage, etc.). Digital gauge has very powerful functions, such as: double pressure test, dual temperature test , digital readout, multi-unit switching, multi-mode function and built-in refrigerant database.

【Condensing Pressure&Temp Test of manifold Gauge】The air pressure gauge can test the minimum pressure when the refrigerant changes from gas to liquid, and the maximum temp when the gas changes to liquid. (The lower the pressure and temp of condensation are, the higher the efficiency of the refrigeration cycle and the greater the refrigerant capacity will do.)

【Evaporation pressure and temperature test of manifold Gauge】The air pressure gauge can test the maximum pressure when the refrigerant changes from liquid to gas. The lowest temp when the liquid becomes gaseous.（The lower the pressure and temp of the evaporation are, the more efficient the refrigeration cycle and the greater the refrigeration capacity will do.）

🚗【UNIVERSAL PIN EXTRACTOR TOOL SET】---23 piece Terminal EJector Kit Tool, suitable for a variety of manufacturers and models -American domestic, European and Japanese cars and trucks.

🚗【GOOD HELPER FOR REMOVING BARBED TERMINALS】--- not damage the vehicle wiring harness,long handle protect technician's hands, easily remove terminals from electrical connectors. Make your job easier and faster.

🚗【STAINLESS STEEL PRECISION TIP AND NON-SLIP RUBBER HANDLE】---the tip is made of high-strength stainless steel for durability and will not bend or break when used in large quantities. Ergonomic rubber handle for comfortable use and non-slip.

【R1234YF/R12 to R134A Low Side Quick Coupler for Car Air-Conditioning】R1234YF to R134A Low Side Quick Coupler is suitable for AC charging of car air conditioners from R1234YF/R12 to R134A.

【R134A Adapter Fittings Model】R1234YF Low Side Quick Coupler: Low side R1234yf coupler 14 mm female x 1/4"SAE male. R12 to R134a Adapter Connector: 1/4" SAE female x low pressure 13mm R134A quick coupler. Accurate knurled grip ring for easy operation.

【R12 to R134A Conversion Kit is Made of High-quality Aluminum】This adapter is made of high-quality aluminum, with good sealing performance and durability.

【Air Brake Spring Tool】 It is safer and easier to replace the heavy duty tractors and trailers brake shoes, without the need for screwdrivers or tool pliers to remove the brake shoes.

【Brake Spring Tool is Easy to Operate】Just hook the tab to the fixed spring ring, press the bar end down on the shaft, hold the handle and push it down and inward until the spring ring is firmly fixed on the brake shoe.

【Principle of Use of Spring Tools】The end of this spring tool is in a "v"-shaped structure, which effectively utilizes the principle of leverage and is against the axle to separate the spring ring from the brake shoe more safely and easily.

【Removal & Installation Of Engine Valve Pressure Spring & Not Hurt The Engines Tools】Valve pressure spring installer remover is used to remove and install the pressure spring on intermediate lever of the engine.It can easily install and remove the valve pressure spring without damaging the engine.It is a good helper for work.

【Compatible With B.MW B38 B48 B58 Engines Timing Tool】Valve springs tool is compatible with B.MW B38 B48 B58 engines,it can easily removed and installed the valve pressure springs of the B38 B48 B58 engines of this car model.It is the same as OEM and perfectly fits B38 B48 B58 engines.

【High Hardness/Strength & Anti-Oxidation Spring Tools】Valve pressure spring installer remover is made of heavy-duty steel material, high-quality material,high strength, high hardness,not easy to break,and the surface of the tool is coated with anti-oxidation,which can effectively prevent the tool from rusting,and it can extend the service life while maintaining the beauty,and provide you with long-term service.

【Multifunctional Injector Tester】Fuel injector tester is equipped with both diagnostic and cleaning functions to help you diagnose injector problems such as sticking,leaking,clogged,damaged or burnt injector,and helps to identify good or bad injector with engine off.You can test both injectors individually or simultaneously,and can be used for standard EFI injectors (12V) as well as GDI injectors (5V),with reverse connection protection output short circuit protection and mode lock function etc.

【Four-Wire Dual Channel Design】Fuel injector tester cleaner is designed with a four-wire dual channel design and is equipped with two pairs of pulse output terminal test wires.Compared with the two-wire single channel design injector cleaners on the market,injector tester can test a single injector, but also supports testing two injectors at the same time (new and old injectors can form a sharp contrast), which better helps you identify the condition of the injector.

【4 Pulse Signal Output Modes & 8 High/Low Power Driving Modes】Fuel injector cleaner kit has two output voltage levels and 4 pulse signal output modes(short/medium/long/continuous pulse mode),with the continuous pulse mode helping to identify good and bad injectors.In addition,fuel injection cleaner has high and low power drive modes,which can test injectors under various powers.Compared with the injector testers on the market that only have high power modes,the functions are more comprehensive.

【Crankshaft pulley fixing tool】This fixing tool is a professional tool specially used for crankshaft pulley,you can fix the crankshaft pulley when loosening/tightening the pulley fixing bolt.

【Compatible For v.w/r.outan/d.odge/c.hrysler & 3.6L 3.2L 3.0L Engine】Crankshaft pulley wrench holding positioning tool is compatible for v.w/r.outan/d.odge/c.hrysler 3.6L 3.2L 3.0L engine.Equivalent to OEM tool codes 10198A.

【Corrosion-resistant high-quality metal steel material】The crankshaft pulley fixing tool is made of high-quality metal steel, which is not only sturdy and durable, and the surface is treated with black paint, which has good corrosion resistance, which can prevent the product from corroding and rusting, and prolong its service life.

➽【PRECISION TIGHTENING BOLTS/NUTS 】: Torque meter provide the precise Angle rotation of turning fasteners, Accurate angle gauge avoid damage to parts caused by over-tightening bolts and nuts,meeting the requirements of professional technicians.

➽ 【CLEAR SCALE EASY TO READ】 : The angle torque gauge scale includes a 360 ° angle, and the dial is engraved with 2 degree increments and 10 degree intervals. The red line reads clearly, you can easily set the angle or zero the drive torque angle gauge.

➽ 【ANGLE METER FOR 1/2 DRIVE TOOL】: 1/2" male and female square drives for all torque-to-yield fastener applications. suitable for torque wrench / ratchet / bending bar etc.used in automotive internal bolts and nuts, such as cylinder heads / bearing caps.

Ground resistance measurements from 0.01ohm to 2000ohms with 0.01ohm resolution

Test voltage 250V, 500V, 1000V

Check phase sequence and phase status

【Coolant Vacuum Refill Kit Without The Need For An Exhaust】Before filling the coolant,coolant vacuum refill kit uses an additional vacuum pump and the equipped measuring pressure gauge to vacuum the cooling system.You can empty the water or air in the cooling system without time-consuming exhaust,prevent the automobile cooling system from causing high temperature due to the presence of air,and ensure the normal operation of the engine.（Note:Package does not include vacuum pump）

【Time-saving & no waste of Coolant Refill Tool Kit】Compared with the traditional replacement method,the vacuum type antifreeze filling tool greatly shortens the cooling liquid filling time, and you do not need to perform time-consuming exhaust Operation.After the cooling system generates a vacuum, the cooling liquid can be quickly replenished to the entire cooling system through the cooling liquid filling hose,the whole process does not produce bubbles, and does not waste the cooling liquid.

【Cone Universal Rubber Adapter&Pressure Gauge For Leak Checking】Coolant vacuum refill kit is equipped with a cone universal rubber adapter, which is suitable for almost all types of vehicles.It can replace the radiator cover sealing cooling system to prevent Air enters.The pressure gauge with rubber protective sleeve and pressure relief valve can measure the pressure accurately,which can provide you with the function of checking leakage and ensure that there is no air leakage in the system.

【Widely Applicable】Wiper arm puller compatible with a.udi A3, A4, A5, A6, Q7. Compatible with V.W Lupo/P.olo/T.ouareg.Compatible with H.onda/J.azz/C.RV/F.RV and others.Compatible with O.pel Astra G/Z.aphira B/C.orsa C/V.ectra C.

【Widely Applicable】Wiper arm removal tool is also compatible with V.W Golf/P.assat until 2005. Compatible with B.MW 5 series E39 and 7 series E38 until 2005. Compatible with F.ord G.alaxy S.eat A.lhambra M.ercedes A and B class from 2005. Compatible with P.orsche C.ayenne and other SUV.

【Remove Car Wiper/Battery】Windshield wiper arm removal tool is mainly used for car wiper arm removal and replacement. It can easily remove and replace some tight wiper arms. puller tool is not only easy to use, but also will not damage the glass, wipers,shaft and will not scratch the paint, etc.,which is a good helper for professional disassembly of the wiper arm. In addition,wiper arm puller can also remove the battery terminal clips without damaging the battery poles.

【Portable Ultrasonic Leak Detector for Detecting Gas/Liquid】The leak detector adopts advanced ultrasonic sensor technology,which is specially designed to detect hidden leaks of steam and liquid,such as pipeline leak detection,tire leak detection,car window seal detection,and refrigeration equipment leak detection,etc.It is small in size,light in weight,equipped with an easy-to-carry handbag,and convenient and quick to operate.It is a practical and portable testing instrument.

【High-precision sensor & Quickly Located the Leak Location】Ultrasonic leak detector uses a high precision sensor to quickly,accurately and visually locate all types of gas and liquid leaks in pressure or vacuum systems in the field. Using sound waves of a certain frequency generated near the leak hole to accurately locate the leak, the ultrasonic gas detector can also detect the sealing level of sealed parts such as ships, car cockpits, refrigerators and containers.

【Real-time/Non-Real-Time Detection Working Mode】Detector is equipped with a transmitter and a receiver.When the receiver is used alone,it performs real-time inspection of gas pipes,using it to capture the tiny ultrasonic signals generated when the gas leaks and the correct location of the leak can be determined.When both are used together,it allows for a non-real-time inspection,with the receiver being more reliable by capturing the ultrasonic signal from the transmitter to locate the leak.

【0.3% High Precision Measurement LCR Meter】It is used to measure the parameters of inductors,capacitors,resistors and other components.The measurement accuracy can reach 0.3%,providing you with accurate measurement data.It is simple to operate,after the components are connected,it can automatically identify the measuring components without manual switching.It is a portable handheld LCR meter that combines the convenience of handheld instruments and the good performance of desktop instruments.

【100kHz Test Frequency & 1/0.6/0.3Vrms Level】Handheld LCR meter includes 6 test frequency points, including 100Hz,120Hz,1kHz,10kHz,40KHz and 100kHz.The measurement frequency is up to 100kHz,and the 1Hz step is continuously adjustable.In addition, the handheld LCR meter can measure the levels of 0.6vrms and 0.3vrms,and can automatically select appropriate measurement parameters according to the characteristics of components. The measurement speed can be adjusted(fast/medium/slow mode).

【Open/Short Circuit Correction & Electrolytic Capacitance Function】Open/short circuit correction function can effectively reduce the error of distributed parameter caused by the test lines,and help to improve the measurement accuracy.The electrolytic capacitance function of the meter professionally measures electrolytic capacitor components with positive/negative electrodes,which can avoid capacitor damage caused by the measurement components when the positive/negative electrodes are unstable.

【Diagnosis&Cleaning Integrated Multi-Function Fuel Injector Equipment】Fuel injector cleaner is a 4 cylinder auto injector testing machine that cleans/tests most petrol cars and motorcycles,which can simulate various working conditions of the engine,and clean/inspect the fuel injectors,such as ultrasonic cleaning,fuel injection volume/fuel injection volume uniformity test,tightness test,atomization observation.Perfectly suited for removing carbon from your fuel system and is easy to operate.

【Ultrasonic Powerful Cleaning Technology & Electronic Pressure Regulating Control Technology】Fuel injector cleaner adopts ultrasonic powerful cleaning technology,which has strong cleaning ability.It can test and clean 4 fuel injectors at one time,and support reverse cleaning & on-vehicle cleaning.Plus,fuel injector tester can also be used on 6 cylinders,twice tests will do. Using electronic pressure regulation control technology, the oil pressure is stable and the adjustable range is wide.

【Tightness & Fuel Injection Volume & Uniformity Inspection】The diagnostic functions include detecting the uniformity of the fuel injection volume of each injector,the tightness and dripping of the fuel injector under high pressure,fuel injection volume of the fuel injection nozzle under specific working conditions,and the observation the spray atomization of nozzle.Within the allowable adjustment range,the test time/working frequency/injection times of the injector can be adjusted arbitrarily.

MUST HAVE - Smooth 360 Degree Ball Swivel 5/8" Socket Enhanced with Magnetic & Thin Wall Design. 3/8"" Drive Teng x 10-Inch Total Length.

DURABLE - Hardened and Heat treated Chrome Vanadium alloy steel. Constructed and Designed for Spark Plug removal and installation.

LONGEVITY - Fully polished, Chrome plated mirror finish resists corrosion and easy to clean, Knurled shaft prevents slipping. Identifying Laser-etched size.

Gearwrench's Swivel Spark Plug designs provides better access to hard to reach spark plugs

Off-corner loading design reduces fastener rounding

Magnetic insert holds plug for removal and installation

This 12 point 14mm spark plug socket is compatible with 2007+ BMW 3.0L turbocharged engines such as the N54, N55, N20, N26, S55, N63, B46, B48, and B58

Along with certain BMW engines, this thin walled socket is compatible with a variety of MINI vehicles such as the R55, R56, R57, and R60

Incorporates a unique leaf spring retainer system to hold the spark plugs firmly in the socket. Does not slip like magnet grip systems, and does not grip too tightly like o-ring systems.

Gives a Visual Check of the Ignition System.

Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire.

The tool is double-ended to offer a straight boot and a 90boot on one tool. With the engine running, the tool flashes a mirror image of ignition spark.

SPECIFICATIONS: This 3/8-inch Drive 14mm Thin Wall Magnetic Swivel Spark Plug Socket features a 12-point design that means its walls are only 17.7mm thick compared to the 19.7mm thickness found on standard 6-point spark plug sockets.

QUALITY: This spark plug socket is made of high quality Chrome Vanadium Steel and features 360 degree swivel action for maximum flexibility, and the 12-inch extension gives you the extra reach you need for tight spots. The interior magnet retains and protects the spark plug, ensuring that the it firmly in place during installation and removal, so you won't have to worry about losing one.

COMMON APPLICATIONS: The thin wall design of this socket makes it compatible with BMW, compatible with Nissan, and compatible with MINI vehicles, such as the R55, R56, R57, and R60.

SPECIFICATIONS: This ARES 9/16-inch Magnetic Spark Plug Socket is 3/8-inch drive and is constructed of durable, heat treated Chrome Vanadium Steel. This socket also features a mirror polish finish for easy cleanup and a professional look with high visibility markings for easy identification.

DESIGN: The socket's interior magnet retains and protects the spark plug for easier installation and removal, so you can count on it to hold onto spark plugs when it counts.

MADE TO LAST: The interior magnet in this socket won't wear out over time like traditional rubber gaskets, so this spark plug socket can provide years of reliable use. This spark plug socket meets and exceeds ANSI/ASME standards.

MUST HAVE - Smooth 360 Degree Ball Swivel 5/8" Socket Enhanced with Magnetic & Thin Wall Design. 3/8" Drive Teng x 6-Inch Total Length.

DURABLE - Hardened and Heat treated Chrome Vanadium alloy steel. Constructed and Designed for Spark Plug removal and installation.

LONGEVITY - Fully polished, Chrome plated mirror finish resists corrosion and easy to clean, Knurled shaft prevents slipping. Identifying Laser-etched size.