Precise 36 Piece Ceramic Rectangular Gage Block Set     

Grade AS-1 (3)

• Each set includes standard sizes found in more expensive sets. Each block individually serialized and conforms to the rigid standards of the National Bureau Of Standards.
• Grade AS-1 (3) tolerances = +8, -4 millionths

9 Blocks .1001″ thru .1009″ step of .0001″
9 Blocks .101″ thru .109″ step of .001″
9 Blocks .110″ thru .190″ step .01″
5 Blocks .100″ thru .500″ step of .1″
3 Blocks 1″, 2″, 4″
1 Block .050″