Product Review

Description: 81 pcs/set steel precision gage block set, rectangular, GRADE 3--w. tollerance of 8 millionth of inch. All block mirror polished, with serial number and size. With certificate of inspection, Meets or exceed Fed. Spec. GGG-G-15C and Conform to MIL-STDD-45662A 9 blocks: .1001" - .1009" in .0001" steps 49 blocks: .101" - .149" in .001" steps 19 blocks: .050" - .950" in .050" steps 4 blocks: 1.000" - 4.000" in 1.000" steps Fitted in heavy duty and precision made wooden box.