The gage block set is grade AS-2(B) +/-50 millionths.
The since plate is made of high grade tool steel that is hardened and precision ground to HRC 55~58.
The plate has two hardened side rails and one locking strap.
These blocks Meet or exceed Federal GGG-G-15C.
They are made of the highest quality tool steel with a surface hardness of HRC 64.
The blocks are supplied in a 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: 2.05 lbs
Many metalworking products contain metals that are included in
the latest Prop 65 warning. Exposure to the elements can be
harmful. May cause cancer and reproductive harm.