Accusize Industrial Tools Precision 1-2-3 Blocks, 2Pcs/Set, EG06-0411

SPI 13-671-3 Setup 2-4-6 Blocks: Matched & Measured Pair with 5 Tapped (5/8-11) Holes & 18 Untapped Holes

SPI 13-672-1 Setup 2-3-4 Blocks: Matched & Measured Pair with 5 Tapped (3/8-16) & 18 Untapped (3/8") Holes

HanOaki Single Block Gauge for Precision Measurement Rust-Resistant Stable Accurate Range 1/5/10mm Hardness HRC-63 Thickness 9mm Width 35mm Industrial Laboratory Engineering(1mm)

HanOaki Single Block Gauge for Precision Measurement Rust-Resistant Stable Accurate Range 1/5/10mm Hardness HRC-63 Thickness 9mm Width 35mm Industrial Laboratory Engineering(5mm)

HanOaki Single Block Gauge for Precision Measurement Rust-Resistant Stable Accurate Range 1/5/10mm Hardness HRC-63 Thickness 9mm Width 35mm Industrial Laboratory Engineering(10mm)

Respicefinem Steel Block Set Ultra for Instrument Calibration in Industrial and Laboratory Settings with 103 Pieces in A Case

Steel Roughness Comparison Sample Block for Lathe, Milling, and Grinding Processes, Ra 0.025–6.3 µm Range with Wooden Box, Inspection Gage for Industrial Quality Testing(Flat grinding)

Mohs Hardness Test Kit, 1-10 Portable Scratch Tester, Industrial Mineral Identification Kit, Quick Testing and Easy to Operate for Gem Jade Jewelry Rock and Mineral Testing