Fowler 53-672-036-0 Shop-Blox Rectangular Gage Block Set - 36 Piece

Fowler shop-blox rectangular gage block set - 36 piece manufactured to meet n.i.s.t. federal specification asme b89. 1.9 - 2002 tolerances on length for inch gage blocks. certificate of calibration traceable to n.i.s.t. tolerances to ±.00005" 36 pcs. 9 blocks .1001" thru .1009" step of .0001", 9 blocks .101" thru .109" step of .001", 9 blocks .110" thru .190" step of .01, 5 blocks .100" thru .500" step of .1", 3 blocks 1", 2", 4", 1 block .050". in high-quality fitted wood case.