Best Koul Tools in 2026

Item ID: KTSURSEAT-P45

Size (spec): 3/16" thru 1/4"

Style (spec): 45 for Steel Double Flare Lines

Repairs the sealing surface on JIC and 37° AN male fittings

Bonded, diamond-dust lapping material

Works with a drill

Quickly create single or double flares on 4 different sizes of tubing. Great for making perfect flares on brake lines, transmission cooler lines and fuel lines. Works on steel, stainless steel, and soft metal tubing. Easy and quick operation will save you time and money when creating brake lines on your project.

Includes dies for 3/16”, 1/4”, 5/16”, 3/8” tubing.

Easy operation. Creates Single Flares and Double Flares

Nickel-copper alloy is very flexible making for super easy bending & flaring for installation - You can hand bend our brake lines with no bending tools needed

Rust and corrosion proofing technology - Our Copper Nickel Alloy lines are the longest lasting line and are much better than standard steel tubing. Copper Nickel lines are ideal for vehicles experiencing harsh weather and environmental conditions

Meets all SAE and ISO specifications - Our tubing is the best quality tubing on the market

Works with 3/16″ (4mm) through 1/2” (14mm) O.D. steel, copper, copper-alloy, & aluminum tubing

Perfect for brake, fuel, transmission, and coolant lines

Three cutting edges ensure clean, even deburring every time.

1/8" to 1/2" diameter.

Deburring tool

Pro grade tool

TUBE AND DIE SET STABILIZING ARM for easy tube forming

MAGNETIC ADAPTER HOLDER keeps adapters in place

EQUIPPED WITH AN ENLARGED DIE SET COMPRESSION AREA for better grip of dies

Set Contents: (1) 3/16-Inch Double Flaring Tool with Removable Handle, (1) Positioning Bolt, (1) Double Ended OP1/OP2 Punch, (1) Container of Die Lubricant

Creates a perfect inverted 45-Degree SAE double flare with 3/16-inch steel and nickel-copper tubing. Not recommended for use on stainless steel tubing.

Can be used on the vehicle! Compact design can be used in tight under-car spaces allowing user to repair brake lines in place on the vehicle.

Tube and die set stabilizing arm for easy tube forming

Magnetic adapter holder keeps adapters in place

Equipped with an enlarged die set compression area for better grip of dies

GM fuel Line Flare, Brake Lines and transmission 5/16 and 3/8"

Flare/double Flare 3/16, 1/4, 5/16, 3/8 and 1/2", metric bubble Flare 4.75, 6, 8, and 10 mm, GM transmission cooling Line 3/8 and 1/2

Fit type: Universal Fit

[VERSATILE] - Easily form 45-degreee double, single, and bubble flares in OE steel, stainless steel, and soft metal tubing

[DIAMETER] - Use with 3/16", 1/4", 5/16", 3/8" diameter lines, which means it will handle your toughest jobs, from brake lines to transmission cooler lines.

[VISE-MOUNTED] - Mount in your vise to help you easily form 45 degree flares in OE steel, stainless steel, and soft metal tubing.

5 TUBING SIZES: The 4LIFETIMELINES heavy duty turret brake line flare tool allows you to create 45 degree highly precise double, single and bubble flares in 5 sizes of tubing, 3/16″, 1/4″, 5/16″, 3/8″ and 4.75mm.

COMPATIBLE MATERIALS: This brake flaring tool can work with stainless steel, steel and nickel copper tubing, being a smart and practical solution for brake lines, fuel lines and transmission cooler lines.

EASY TO USE: Unlike similar products on the market, this professional flaring tool features a quick-release T handle ensuring fast holder die changeovers for a smooth and user-friendly experience.

Get the job done in half the time: this compact and portable Double Flaring Tool lets you easily create high quality 45-degree SAE double flares on 3/16 in. tubing such as brake lines

Works flawlessly with 3/16 in. steel, nickel, and copper tubing

Compact design lets you create perfect double flares both off vehicle and on vehicle, even in tight spots

[Get a Leakproof Connection]: When building car brake lines, the ABN Professional Brake Flaring Tool Kit adds a flare (makes tubing wider) to brake line end for a leak-free connection without hours of hand cramping or twisting exercises

[Fits Your Application]: 45-degree set creates single, bubble, and double flares on steel, stainless steel, and soft metal (copper, aluminum) brake lines, transmission cooler lines, and fuel lines; For 3/16-inch (4.75mm), 1/4-inch (6.35mm), 5/16-inch (8mm), and 3/8-inch tubing

[Use Your Vise]: Use on a bench-mounted vise in your workshop or on a hitch-mounted vise in the field (not intended for use under car); 6-inch (15.2 cm) T-handle screw clamp holds die and tube in place so you can create flares quickly and easily

Includes dies for 3/16”, 1/4”, 5/16”, 3/8” tubing.

Creates Single Flares, Bubble Flares, and Double Flares

Easy operation. Mounts in a vise

Easily check thread sizes for the most common thread sizes found in automotive braking systems

Check thread sizes for: 1/8" NPTF, 1/4" NPTF, 3/8" x 24, 7/16" x 20, 7/16" x 24, 1/2" x 20, 9/16" x 18, 9/16" x 20, 5/8" x 16

Each size has a male and female end checker

BreakFree Power Flaring Tool. The kit comes with one (1) tool body, one (1) battery, one (1) charger, five (5) sizes of tube clamps ranging from 1/4" to 3/4", one (1) flare gauge, and one (1) carry case.

Quick & accurate flaring in 15 seconds.

Ultra light at ONLY 2.9 lbs.

INCLUDES: This Double Flaring Tool Kit includes one 1/4-inch adapter, a 5/16-inch adapter, and a 1/2-inch adapter and two adapters in each of the following sizes: 3/16-inch and 3/8-inch. These adapter sizes also cover sizes 4.8-12.7mm. Our Double Flaring Tool kit also includes a mini tubing cutter with a 1/8- 5/8-inch capacity and a convenient storage case to ensure that you'll never misplace part of your kit. *Additional adapters available in ARES 18020 - Double Flaring Tool Adapter Set.*

QUALITY: The forged yoke is constructed from premium Heat Treated Steel, and the swivel is constructed of alloy steel with chrome plating to assist in reducing friction.

APPLICATIONS: This versatile Double Flaring Tool kit can be used when flaring a double or a single flare in copper, aluminum, brass, magnesium, and soft steel brake line tubing. **NOTE: This kit is not designed for use with stainless and other hardened steel materials.**

Creates single or double flares on 3/16" / 4.75mm and 1/4" tubing.

Low Profile Design Allows Tubing to be Flared in Tight Spaces.

The vise assembly holds tubing centered securely without marring.

🚖VARIOUS APPLICATIONS - Thorstone double flaring tool set is designed to create 45-degree double or single flares in copper, aluminum, magnesium, soft steel brake lines and brass tubing (Not applicable with hard material like steel, iron......).

🚖PACKAGE CONTENTS - 1 flaring cone, 1 flaring bar (flaring yoke), 1 tube cutter, 5 adapters and 1 blow-molded case for easy transportation and storage, meets all your needs.

🚖PREMIUM MATERIAL - The flaring bar and forged yoke is constructed from premium heat treated steel for strength and durability. The chrome swivel is made of alloy steel to reduce friction.

Double flaring copper aluminum soft steel brake line tubing tool kit including 1 flaring cone,1 flaring yoke and 5 adapters; Wide range of sizes - 3/16, 1/4, 5/16, 3/8 and 1/2 inch (4.8, 6.4, 7.9, 9.5, and 12.7 mm).

Swivel is constructed out of alloy steel and chrome plated to assist in reducing friction.

Heavy duty yoke is forged from heat treated steel to ensure durability and strength.

【 Auto Steel Line Stopper 】 To split a brake line without mess of brake fluid. And avoid brake fluid leaking and splashing for work space.

【 Easy to Use 】 Use to plug steel lines once disconnected. With smooth rounded edges that will not damage internal hose reinforcement

【 Universal Design Used to Plug Lines 】 Size: banjo, 3/8", 5/16", 1/2"

Creates single, double inverted (SAE) flares and bubble (ISO) flares up to 0.040" wall thickness. This is a professional tool, please read instructions before using

Designed to perform flares on thin wall steel, aluminum, copper, and nickel-copper tubing

Includes flaring dies for all sizes: 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 4.75mm, 6mm, 8mm, 10mm

BRAKE LINE BENDER: This tube bender is ideal for working on brake lines; Brake line bending tool is designed to bend brass, copper, steel, and aluminum brake lines; Tubing benders can make left, right, and offset bends up to 90-degree angles

DUAL-SIZED ADAPTERS: The brake tube bender comes with two dual-sized adapters for different sizes of brake line diameters; Pipe bender tool works on 1/4 inch, 5/16 inch, 3/16 inch, and 3/8 inch diameters of mild steel and soft tube material

MINIMIZES DAMAGE: Our brake line tube bender features forged separators with knife edges to minimize damage to parts; Safe soft copper tubing bender and metal tubing bender for any brake line kit; Excellent tubing pliers for mild steel pipes and tubes

【Size】Replacement Steel Adapter for Double & Single Flaring Tool Kit 7 Pc.(3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8 inch)

【Premium Material】The forged yoke is constructed from premium Heat Treated Steel, Durable.

【Versatile】This Replacement head used in various types of flaring tools.

DO IT YOURSELF: Comes with everything you need for cutting, bending, and flaring metal tubing like a pro

USEFUL ADDITION: Perfect for servicing automotive plumbing systems for brakes, transmission, oil, and more. Works for HVAC, plumbing, and electrical projects.

WIDE RANGE OF ADAPTERS: Included double flaring adapters fit tubing from 3/16 inch OD to 5/8 inch OD

【Set Included】Flare bar x 1, flaring cone x 1, flare adapters x 7, tubing cutter x 1 and carrying case x 1.

【Multifunction】Double or single automotive flaring tool set,Creates 45 degree double or single flares for bending brake and fuel pipes, lines, braking pipe repairs, water, gas, refrigeration.Suitable for most soft steel,aluminum,brass and copper pipes.Pipe cutter has 2 rollers secure the tube better;Fold-away slide lock tube reamer deburring blade for a better connection; extra blade for replacement.

【Application】Double automotive flare tool kit suitable: 3/16”, 1/4”, 5/16”, 3/8", 7/16", 1/2", 5/8"(5,6,8,10,12,14,16mm); Tubing cutter has a 1/8 to 1-1/8 inches (3-30mm) capacity with inner outer reamer.

【Multifunction】This flaring tool creates 45-degree double or single flares. It can be applied to copper, aluminum, brass, magnesium, and other soft steel lines. Ideal for brake line, HAVC, air conditioning brass line and so on

【Durable Material】Yoke made of heat-treated steel material for maximum strength and longevity. Swivel made of chrome-plated alloy steel to reduce friction

【Applications】Double flaring tool kit suitable for: 3/16”, 1/4”, 5/16”, 3/8", 7/16", 1/2", 5/8" (5, 6, 8, 10, 12, 14, 16mm) single or double flares; Tubing cutter has a 1/8” to 1-1/8” inches (3-30 mm) capacity with inner / outer reamer

[Complete Your Project]: Align, bend, fit, change, and adjust automotive lines with the ABN Brake Tube Bender Pliers

[Fits Your Lines]: Small brake line bender tool compatible with brass, copper-nickel alloy, stainless steel, mild steel, and other 3/16 and 1/4 inch small diameter brake, AC, fuel lines, and hard lines

[For Tight Spots]: Brake pipe bender tool makes tight radius bends that are small and complex; Make tubing shape adjustments even when installed in vehicle with small clearance between inner wells and tube

Specifications: this flaring set includes 3/16 in., 1/4 in., 5/16 in. and 3/8 in. double and single flares which are designed to reduce the chance of the tube slipping from the clamp. Double and bubble flares measure 4.75mm, 6mm, 8mm

Equipment Design: with compact design, the in-line flaring tool enables the user to flare copper or soft steel tubing in tight spaces. The double clamp and hex body keeps tube from slipping, keeping flares centered and making flaring easier

Flaring Tool Adapters: in-line flaring set is designed to simplify flaring chores. The design locks the adapter's cone and tube in a perfect line which makes accurate factory flares with less risk of breakage