Mitutoyo 611631-541 21 MM, RECT, STEEL, AS-1Precision gage blocks are the primary standards vital to dimensional quality control in the manufacture of parts
Mitutoyo 611631-551 21 MM, RECT, STEEL, AS-2Precision gage blocks are the primary standards vital to dimensional quality control in the manufacture of parts
Mitutoyo 611631-516 21 MM, RECT, STEEL, ASME KPrecision gage blocks are the primary standards vital to dimensional quality control in the manufacture of parts
Mitutoyo 611631-521 21 MM, RECT, STEEL, ASME 00Precision gage blocks are the primary standards vital to dimensional quality control in the manufacture of parts