Surface Conditioning Flap Wheel Abrasive Material Aluminum Oxide Abrasive Type Non-Woven Backing Material Not Applicable Backing Weight Not Applicable Connector Size 3 in Connector Type Unthreaded Hole Grit 180 Series Bear-Tex Flap Width 1 in Maximum Operating Speed 2 500 RPM Overall Diameter 8 in Grade Fine Package Quantity 3