Rectangular Steel Gage Block, Grade AS-1, Size: 0.12300 – 15-037-5

Rectangular Steel Gage Block, Grade AS-1, Size: 0.12300"15-037-5 Grade AS-1 Each gage block has blended radii and is burr-proof Wringing or stacking the block will not cause damage to the measuring surfaces Certificate of calibration traceable to NIST incl