Abrasive -Off Wheel, Abrasive Material Aluminum Oxide, Grit 46, Connector Size 7/8 in, Connector Type Unthreaded Hole, Overall Diameter 4 1/2 in, Overall Thickness 0.045 in, Compatible Tool Type Angle Grinder, Circular Saw, Primary Material Applicationn Aluminum, Brass, Copper, Series A46N, Wheel Type Type 1, Maximum Operating Speed 13,300 RPM, Reinforced Status Reinforced, Bond Type Resin