Best Hardness Test Blocks in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Hardness Test Blocks

Pro-Quality Gold Test Stone- 6x3 inch Large Test Stone with Professional Rubber Backing by PuriTEST
#TOP1
Pro-Quality Gold Test Stone- 6X3 Inch Large Test
9.6
PM SCORE
Hofun TDS Meter Digital Water Quality Tester, TDS, Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Hardness Testers for Drinking Water, PPM Meter for Hydroponics Aquarium
#TOP2
Hofun Tds Meter Digital Water Quality Tester, Tds,
9.6
PM SCORE
Portable 0-100HD Shore A/C/D Hardness Digital Hardness Meter Durometer Hardness Tester with Large LCD Display for Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling balll (A Hardness)
#TOP3
Portable 0-100Hd Shore A/C/D Hardness Digital Hardness Meter
9.3
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Hardness Test Blocks of 2026

Market Overview
Hardness Test Blocks Reviewed
  • Reviews Analyzed: 2257 Items
  • PM Avg. Rating: 3.3 / 10
26 Products Evaluated
  • Highest Price: $1,560.50
  • Lowest Price: $11.24
  • Avg. Price: $195.82

Pro-Quality Gold Test Stone- 6X3 Inch Large Test Stone With Professional Rubber Backing By Puritest

PURITEST
UNKNOWN
6.00 X 3.00 X 0.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Gold Testing Equipment 9.76

Features

Smooth Black Glass Surface for easy reading of the test acids on this stone.

Non slip pad on back to keep stone from sliding or scratching on table surfaces

Large 6x3 tesing surface make it easy to test several items at once.

This stone is used in conjunction with Gold test acids to determine if solid gold and karats

Test stones are used to test your gold jewelry without ruining it, by using the stone to test instead of directly on the piece.

Hofun Tds Meter Digital Water Quality Tester, Tds, Temperature & Conductivity Meter 3 In 1, 0-4999 Ppm, Ec Meter, Digital Water Hardness Testers For Drinking Water, Ppm Meter For Hydroponics Aquarium

HOFUN
TDS-03
6.40 X 1.14 X 0.62 Inches
1.00 ounces
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hofun - Click, if you have any questions 9.89

Features

✔[ BONUS 3 in 1 Digital TDS Temperature & Conductivity Meter] Hofun 3 in 1 TDS, Electric Temperature & Conductivity Meter features the most advanced and updated technology. Three different measurement needs can be fulfilled by one digital water quality tester. Not only been convenient for you, but also saves your time and money, absolutely a helpful kit for your life.

✔[ RELIABLE TDS METER -- ACCURATE & QUICK] Equipped with premium quality titanium alloy probe, Hofun TDS water quality tester enables quick and convenient test. Put the probe into water and LCD shows accurate results in seconds. In addition, advanced and reliable systerm ensures measurement accuracy, 0-9999 ppm, making it fits multiple usages, hydroponics meter,Ideal water testers for drinking water test, swimming pool, laboratory, aquarium, RO/DI Water etc.

✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TESTER ] Hofun water quality test meter for hydroponics ec meter with Big Backlit LCD is far superior than other ones, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means high level ppm figure. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line).

✔[ EASY OPERATION & ENERGY SAVING ] Hofun ppm meter allows one button operation. Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.

✔[ HIGH QUALITY TDS METER] Hofun water quality test meter is manufactured under extra high standards and of excellent quality. Thus we have absolute confidence of our water test meter.

Portable 0-100Hd Shore A/C/D Hardness Digital Hardness Meter Durometer Hardness Tester With Large Lcd Display For Rubber, Tire, Plastic, Thermal Plastic, Flooring, Bowling Balll (A Hardness)

WONVON
QMLBH0730HA-C-D
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Wonvon-VIP-Store 9.77

Features

Wide measuring range with high resolution and ease of operation .Wide measuring range: 0 ~ 100 HD

With clear LCD display for easy to read.Delivers ultra accurate reading with no guessing error

Small in the dimension, lightweigt and can easily be transported.Compact pocket size to take along

Applicable to test the penetration medium hardness of rubber, plastic, leather, multi-grease, wax, etc.

A/C/D hardness is different, D>A>C.You can choose the type of hardness.Specific reference pictures

#TOP4

Vtsyiqi Durometer Test Block For Shore D Durometers D Type Rubber Hardness Test Block Durometer Test Block Kit For Durometers Type D

VTSYIQI
VETUS INSTRUMENTS
6.30 X 5.12 X 3.15 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VETUS INDUSTRIAL CO.,LTD 5.44

Features

* Model : TYPE D

* Stock: Yes

* Warranty: 1 year

* Type: Durometer Test Block Kit

* Application: hardness of hard rubber and plastics

#TOP5

Tmteck Leeb Hardness Tester Thl180 Meter 170 To 960 Hld Metals Durometer Tester Hl Hb Hrb Hrc Hra Hv Hs With Standard D Type Impact Device D Test Block With Calibration Certificate.

TMTECK
TMTECK
0.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Hardness scale:HL,HB,HRB,HRC,HRA,HV,HS

Memory : 48~600 groups (impact times: 32~1)

High Accuracy:±6HLD (760±30HLD) error of displayed value

Continuous working time:approx. 100 h (no back light off)

Super high performance cost ratio of leeb hardness tester

#TOP6

Tmteck Shore Hardness Test Block Shore Hardness Test Block Type A For Shore Durometer Rubber Hardness Tester Block Shore Hardness Block Kit To Measure 7 Different Color Block

TMTECK
TMTECK
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TMTeck 5.30

Features

Type: Shore A Durometer Hardness Test Block Kit

Applications: Rubber, soft rubber, synthetic rubber, multi-component grease, leather, wax, etc.

Type A block kits enables you to perform a quick check for the proper operation of the durometer

Your cheapest choice in Amazon for the same quality,or even better.

2 years warranty/Free delivery by Amazon

#TOP7

Bench Top Rockwell Hardness Tester Hr 150 A Testing Table Test Block Hrc Hra B

DBM AMAZON
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DBM IMPORTERS 7.43

Features

Rockwell Hardness Tester

Load range: 60kg, 100kg, 150kg ; Max test height: 6.7" ; Depth of throat: 5.3"

Test blocks:3-HRC Test block;1-HRB Test block;1-HRA Test block ;Include Everything as shown in photo

Storage case dimension: 9" x 11-1/2" x 4" ; Storage case with accessories included

Quantity: 1;Unit overall dimension: 18"L x 7"W x 24-1/2"H;Unit approx. weight: 150 LBS

#TOP8

Vtsyiqi Durometer Test Block A Type Rubber Hardness Test Block Durometer Test Block Kit For Durometers Type A Durometer Test Block Color Black

VTSYIQI
VETUS INSTRUMENTS
6.30 X 5.12 X 3.15 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VETUS INDUSTRIAL CO.,LTD 9.60

Features

* Model : TYPE A

* Stock: Yes

* Warranty: 1 year

* Type: Durometer Test Block Kit

* Application: Hardness of hard rubber and plastics

#TOP9

Yfyiqi Type A Shore Durometer Test Block Kits For Hard Rubber Hardness Measure 7 Different Color Block

YFYIQI
YFYIQI
1.10 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
younike technology 5.13

Features

☀☀(1)Type:A Type Durometer Test Block Kit

☀☀(2)Color:SEVEN

☀☀(3)Application: hardness of hard rubber and plastics

☀☀(4)Leading time:2 days

☀☀(5)Stock:YES

#TOP10

Vtsyiqi Durometer Test Block For Durometers D Type Rubber Hardness Test Block Durometer Test Block Kit For Durometers Type D, Color Black

VTSYIQI
VETUS INSTRUMENTS
5.91 X 1.97 X 3.94 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VETUS INDUSTRIAL CO.,LTD 9.60

Features

* Model : TYPE D

* Stock: Yes

* Warranty: 1 year

* Type: Durometer Test Block Kit

* Application: hardness of hard rubber and plastics

#TOP11

Cnyst Hardness Test Block Kit Type A Durometer Block Kits Of Hard Rubber Plastics With 7 Color

CNYST
CNYST
0.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
anhui east electronic 6.06

Features

◆ Durometer Test Block Kit

◆ Type A Durometer Test Block Kit containing 7 colors

◆ This Type A durometer tests the hardness of hard rubber and plastics.

◆ Hardness Test Block for Durometer

#TOP12

Hfbte Shore A Durometer Hardness Test Block Kits For Hard Rubber Measure 7 Different Color Block

HFBTE
HFBTE
0.30 Kilograms
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HFBTE-US 5.36

Features

▲Type:A Type Durometer Test Block Kit

▲Color:SEVEN

▲Application: hardness of hard rubber and plastics

▲Leading time:2~5 days

▲Stock:YES

#TOP13

Vtsyiqi Shore A Durometer Rubber Hardness Test Block Kits

VTSYIQI
VETUS INSTRUMENTS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VETUS INDUSTRIAL CO.,LTD 9.60

Features

* Model : TYPE A

* Stock: Yes

* Warranty: 1 year

* Type: Durometer Test Block Kit

* Application: Hardness of hard rubber and plastics

#TOP14

Yushi Lm330 Integrated Portable Leeb Hardness Tester Pen Type Design With D Type Impact Device/D Test Block, Plus Data Large Storage, Data Communication

YUSHI INSTRUMENTS
G3010002
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YUSHI INSTRUMENTS 5.95

Features

Pen type design, easy operation, the unique large-screen OLED color display

High repeat-ability, with replaceable battery compartment

Measure the hardness scale HB, HRC, HRB, HV, HS, HL and strength σb

Compatible with D / DL impact device

Increased data storage and communication functions

#TOP15

Soonkoda 7 In 1 Portable Metal Leeb Hardness Tester Hardometer Meter Durometer For Stainless Steel Alloy Copper 10 Materials Hl Hb Hv Hrc Hrb Hra 170-960Hld Hardness Test Kit With Hardness Test Blocks

SOONKODA
SOONKODA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Soonkoda global store 6.93

Features

【Impact device】This instrument is equipped with D-type sensor, which needs to measure the hardness of metal more than 5mm. D-type probe is a conventional probe, which is suitable for measuring most workpieces. Workpieces of special materials need to be equipped with other types of probes.Equipped with 7 types of impact devices which need not to be recalibrated when changing them, the system can identify the type of impact device automatically.

【Scale】Converts to all common hardness scales(HV ,HB,HRC,HRB,HRA,HS)

【Preset value】Upper and lower limit of hardness can be preset; When the tested value exceeds the limits, alarm will send out automatically to make convenient for the requirements of batch measurements

【Back light】Back light display has been used to make convenient for the use in poor light

【Data storage】Max 500 groups(impact times:32~1)of data can be stored at internal non volatile data storage

【Easy to use】English displaying and menu operating, the operation is easy and convenient

【Calibration】Please refer to the video on the product details page. First press the "Enter" key and then press the "On/OFF" key to display the average value and the nomimal (measuring for 5 times). Use the "Up and Down" key to adjust the true value to match the standard of the hardness block value, and then press the "Enter" key to start the hardness measurement.

【USB interface】With USB interface, multiple communication modes are adopted to meet customized requirements of various users.Not include PC software in package,due to transportation restrictions.If you need PC software, please send me a message.

【Power supply】Power is two of AA battery. Continuous working period: approx. 200 h (no back light on).Not include batteries in package,due to transportation restrictions

#TOP16

Shore Type D Hardness Test Block Kit With 3 Different Durometer Color Block Hard Rubber And Plastics Measurement

HFBTE
HFBTE
0.30 Kilograms
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HFBTE-US 5.36

Features

▲Type:D Type Durometer Test Block Kit

▲Color:three

▲Application: hardness of hard rubber and plastics

▲Application: hardness of hard rubber and plastics

▲Stock:YES

#TOP17

1Pc Hv Series Hardness Blocks Hv1 Hardness Tester Standard Test Blocks Hardness Tester Calibration Blocks (175-750 Hv10)

ZATAGEN
HARDNESS BLOCK HV1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
taijun--mall 5.05

Features

Delivery time:15-20 working days

#TOP18

Vtsyiqi Standard Test Block For Leeb Hardness Tester

VTSYIQI
STANDARD TEST BLOCK
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VETUS INDUSTRIAL CO.,LTD 9.60

Features

Standard test block for leeb hardness tester

#TOP19

Cnyst Type D Hardness Test Block Kit For Durometer Of Hard Rubber And Plastics With 3 Different Color

CNYST
CNYST
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
anhui east electronic 6.06

Features

◆ Durometer Test Block Kit

◆ Type D Durometer Test Block Kit containing 3 colors,

◆ This Type D durometer tests the hardness of hard rubber and plastics.

◆ Hardness Test Block for Durometer

◆ Test block for Type D durometers provides you the ability to develop the proper "feel". while not to be used for calibration purposes, this Test block enables you to perform a quick check for the proper operation of the durometer.

#TOP20

Cnyst D Type Block Kits Hardness Test Block Kit For Durometer Of Hard Rubber Plastics With 3 Color

CNYST
CNYST
1.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
anhui east electronic 6.06

Features

◆ Durometer Test Block Kit

◆ Type D Durometer Test Block Kit containing 3 colors

◆ This Type D durometer tests the hardness of hard rubber and plastics.

◆ Hardness Test Block for Durometer

#TOP21

Hra/Hrb/Hrc Hardness Blocks Hardness Tester Standard Blocks Hardness Standard Test Blocks (Hrc55-60)

ZATAGEN
HRA/HRB/HRC
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
taijun--mall 5.05

Features

Delivery time:15-20 working days

#TOP22

Lm100 Portable Leeb Hardness Tester With Standard D Type Impact Device And D Test Block Accuracy <±6Hld Repeatability <6Hld (Hld=800) Hardness Scale Hl Hb Hrb Hrc Hv Hs. Σb.

SULMILE
G-301-0001
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
X-TOOLS INSTRUMENTS 9.74

Features

Measure the hardness scale HB, HRC, HRB, HV, HS and HL, and strength σb

Standard configurations include D type probe, D type hardness calibration block

Converted by one key, free from preset, Data View communication software, USB cable and rubber sheath with holder

Stores 100 groups of hardness values (each group include 1-7 hardness values and 1 mean value)

Steel& Cast Steel, Stainless Steel, GC IRON, NC IRON, Cast Aluminum alloy, Copper-zinc alloy, Copper-tin alloy, Brass, Forged Steel, Alloy Tool Steel

#TOP23

Hfbte Hardness Calibration Block Type D Durometer Test Block Kit Hardness Test Block Kit With 3 Different Durometer Color Block Hard Rubber And Plastics Measurement

HFBTE
HFBTE
0.30 Kilograms
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HFBTE-US 5.36

Features

▲Type:D Type Durometer Test Block Kit

▲Color:three

▲Application: hardness of hard rubber and plastics

▲Stock:YES

▲Thank you for your purchase!

#TOP24

Vtsyiqi Leeb Hardness Tester Test Block D Type Standard Test Block For 170 To 960 Hld Leeb Hardness Meter

VTSYIQI
VTSYIQI
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VETUS INDUSTRIAL CO.,LTD 9.60

Features

VTSYIQI Leeb Hardness Tester Test Block D Type Standard Test Block For 170 to 960 HLD Leeb Hardness Meter

#TOP25

Cnyst Hardness Test Block Kit For Durometer Type A With 7 Different Color Block Hardness Testing Block

CNYST
CNYST
1.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
anhui east electronic 6.06

Features

◆ Durometer Test Block Kit

◆ Type A Durometer Test Block Kit containing 7 colors

◆ This Type A durometer tests the hardness of hard rubber and plastics.

◆ Hardness Test Block for Durometer

◆ Test block for Type A durometers provides you the ability to develop the proper "feel". while not to be used for calibration purposes, this Test block enables you to perform a quick check for the proper operation of the durometer.

#TOP26

Yfyiqi Type D Shore Durometer Hardness Test Blocks Kit For Hard Rubber And Plastics Measurement 3 Different Color Block

YFYIQI
YFYIQI
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
younike technology 5.13

Features

☀☀(1)Type:D Type Durometer Test Block Kit

☀☀(2)Color:three

☀☀(3)Application: hardness of hard rubber and plastics

☀☀(4)Leading time:2 days

☀☀(5)Stock:YES

Top 10 hardness test blocks Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Vtsyiqi 6
Cnyst 4
Hfbte 3
Tmteck 2
Yfyiqi 2
Zatagen 2
Dbm Amazon 1
Hofun 1
Puritest 1
Soonkoda 1

Top 10 hardness test blocks Brands Pie Chart


We've carried out a comprehensive analysis of 2,257 reviews on hardness test blocks, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select hardness test blocks priced around $195.82, with top brands including vtsyiqi, wonvon, hofun and yushi instruments and puritest

Our team of expert editors reviewed these high-quality items and handpicked the top 26 hardness test blocks for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include vetus industrial co.,ltd, wonvon-vip-store, hofun - click, if you have any questions and yushi instruments and gold testing equipment .

We are dedicated to assisting our users in finding the right equipment Products based on their needs, saving them considerable time when choosing which hardness test blocks to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.