81 Piece Grade A s-1/3 Rectangular Steel Gage Block Set

81 Piece Grade A s-1/3 Rectangular Steel Gage Block Set 81 Piece Rectangular Steel Gage Block Set Made of the highest quality tool steel. Grade AS-1 = Grade 3 +8/-4 millionths Meets or exceeds Federal GGG-G-15C. Surface hardness is HRC 64. Supplied with fitted case with sizes labeled. Blocks included in set are 9 blocks that are .1001" thru .1009" with a step of .0001", 49 blocks that are .101" thru .149" with a step of .001", 19 blocks that are .050" thru .950" with a step of .050" and 4 blocks that are 1.000" thru 4.000" with a step of 1.000". Shipping Weight: 8 lbs Quality and precision is our main focus.  We want to make sure that you are satisfied with your tooling needs in your shop. CNC Tool Solutions offers a wide range of tools that you need to stay productive.  Let us help you find the right products to make you even more productive!