Starrett RY 88.MAA Rec Ceramic Gage Block Set-Metric 88 Pcs Grade 00

The Starrett RY 88.MAA Rectangular METRIC Gage Block Set contains 88 Blocks featuring 1 block .5mm, 1 block 1.0005mm, 9 blocks 1.001mm through 1.009mm (Steps of .001mm), 49 blocks 1.01mm through 1.49mm (Steps of .01mm), 18 blocks 1mm through 9.5mm (Steps of .5mm) and 10 blocks 10mm through 100mm (Steps of 10mm). 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.