Rechargeable Industrial Blade Sharpness Tester, High Sensitivity Edge Testing Tool with 360° Knife Detection, Unit Switching for 1-3kg (0.1g) - Precision Sharpness Measurement

Accusize Industrial Tools Portable 0-100 Shore A Durometer, AK07-8820

MiBoce Mohs Hardness Test Pen, 2-9 Scratch Tester, with Storage Box, Industrial Mineral Identification Kit, for Ceramic Floor Glass Gems Jade Jewelry

Metalworking Inspection Gage High Carbon Chromium Steel Roughness Comparison Sample Block with Multiple Ra Values for Lathe Boring Milling and Grinding in CNC Industrial Production Training Use

Hardness Tester, Leeb Portable Hardness Tester for Industrial Maintenance,for Metal Steel

Industrial Test Systems 481108, Total Hardness Check (Pack of 24 pcs)

Accusize Industrial Tools PhaseII+ Hardness Tester w/D Impact Device w/Certified Test Block, PHT-1700C

Accusize Industrial Tools Phase II+ Round, Leeb"D" Test Block, Range: 590-670, PHT1300-02

ERICAT 4 Pack Mohs Hardness Tester, 2-9 Scratch Tester Mohs Hardness Picks, Metals and Alloys, Long Service Life and Good Durability, for Industrial Mineral Identification Jewelry