Ultra Ceramic Plus PowerLock Cloth Discs-Type III, 4 in Dia., 36 Grit

A ceramic alumina blend that cuts faster, reduces heat build up and outlasts aluminum oxide and zirconia in many applications. Strong, Y-weight 2-ply polyester backing provides excellent durability and grain adhesion. Type TR/III fit roll-on/roll-off plastic attachment system. All QC cloth discs are designed to run on back-up pads that are rated at or above the RPM of the grinder.