iGaging 36-036-0 Gage Block Set ASME Grade AS-0 N.I.S.T. (NIST) Traceble Certified, 0.05" - 4" (Pack of 36)

36 PC grade as-0 gage block set USA (No Suggestions). Certified each set comes with a certificate of calibration traceable to NIST and each gage block is etched with a unique serial number. The certificate was issued by the factory at the time of manufacture. Features: Super high tolerance each block is marked with a serial number matching the included NIST certificate grade as-0 36 pieces included: 1 block 0.050 10 blocks 0.1000 thru 0.1009 in step of 0.0001 inch 9 blocks 0.101 thru 0.109 in step of 0.001 inch 9 blocks 0.110 thru 0.190 in step of 0.01 inch 4 blocks 0.200 thru 0.500 in step of 0.1 inch 2 blocks 1.000 thru 2.000 in step of 1.000 inch 1 block 4.000 wood case.