• A ceramic alumina blend that cuts faster, reduces heat build up and outlasts aluminum oxide and zirconia in many applications. • Strong, Y-wt. • 2-ply polyester backing provides excellent durability and grain adhesion. • All QC cloth discs are designed to run on back-up pads that are rated at or above the RPM of the grinder. • For applications that require better/decorative finishes, please refer to non-woven quick change discs. • 120 & 150 grit are recommended for light deburring & cleaning. • Ty TR/III fit roll-on/roll-off plastic attachment system. • Tool free, twist on and off fastening systems make fast work of disc changes to maximize productivity by minimizing downtime.