Bond Non Woven Wheel Abrasive Material Silicon Carbide Density Rating Hard (8) Grade Fine Series Bear-Tex Rapid Blend NEX Face Width 1 in Maximum Operating Speed 30 000 RPM Overall Diameter 1 in Connector Size 3/16 in Connector Type Unthreaded Hole Quick Change System Not Applicable Abrasive Type Non-Woven Resistance Properties Smear