Walter Flap Disc, T27 6"X7 8" 80Gr Standard Safety Cabinets Handle Type Key Handle CFM_82 at 100 PSI Handle Type Key Handle It emits only about 66 decibels for daytime cleaning or for use in noise sensitive spaces Description Abrasive Material Zirconia Alumina Disc Type Type 27 Grade Medium Grit 80 Series ENDURO FLEX Item Flap Disc Operating Speed (RPM) 10200 RPM Abrasive Grade Medium Backing Material Eco Trim Abrasive Grit 80 P80 Abrasive Type Coated Density Rating Standard Flap Disc Type Type 27 Abrasive Type Grade Coated Medium Features Trimmable Disc Type Density Type 27 Standard Backing Plate Material Plastic Maximum Operating Speed 10