Starrett RY81.AA Rec Ceramic Gage Block Set-Inch 81 Pcs Grade 00

Description

The Starrett RY81.AA Rectangular INCH Gage Block Set contains 81 Blocks featuring 9 blocks .1001 through .1009 (Steps of .0001), 49 blocks .101 through .149 (Steps of .001), 19 blocks .050 through .950 (Steps of .050) and 4 blocks 1.000 through 4.000 (Steps of 1"). This set has a B89.1.9 00 Accuracy Grade. Constructed of Ceramic which fill the gap between steel and the universally accepted croblox (chromium carbide). While not as stable as croblox, ceramic is an excellent alternative to steel because of its superior hardness, thermal expansion and wear characteristics.