Abrasive Cut-Off Wheel Abrasive Material Zirconia Alumina Grit 36 Connector Size 7/8 in Connector Type Unthreaded Hole Overall Diameter 4 1/2 in Overall Thickness 0.0625 in Compatible Tool Type Angle Grinder Primary Material Applicationn Stainless Steel Steel Series BlueFire RightCut Wheel Type Type 1 Maximum Operating Speed 13 580 RPM Reinforced Status Reinforced