Convolute Wheel Abrasive Material Aluminum Oxide Connector Size 1 in Density Rating Medium (6) Grade Fine Series Bear-Tex Series 1000 Face Width 1 in Maximum Operating Speed 6 000 RPM Overall Diameter 6 in Abrasive Type Non-Woven Coating Coverage Open Color Brown Grit 220 Resistance Properties Shed Smear Package Quantity 3