Abrasive Cut-Off Wheel Abrasive Material Aluminum Oxide Grit 60 Connector Size 7/8 in Connector Type Unthreaded Hole Overall Diameter 4 1/2 in Overall Thickness 0.04 in Compatible Tool Type Angle Grinder Primary Material Applicationn Stainless Steel Steel Series Rapido(TM) Wheel Type Type 1 Maximum Operating Speed 13 280 RPM