Description
81 Piece Grade AS-2/B Steel Gage Block Set ~ Each block has a threaded center hole. ~ Meets or exceeds U.S. Federal specification GGG – G – 15C. ~ Complete with manufacturer’s calibration or certification that is not NIST traceable. ~ Made of the highest quality tool steel. ~ Surface hardness is HRC 64. ~ Supplied in a sturdy fitted wooden case. ~ Accurate to +/- 50 millionth. Each block has a threaded center hole. Made of the highest quality tool steel. Surface hardness is HRC 64. Accurate to +/- 50 millionth. Supplied in a sturdy fitted wooden case.
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