Depressed Center -Off Wheel, Abrasive Material Zirconia Alumina, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Grit 36, Overall Diameter 7 in, Overall Thickness 0.09 in, Primary Material Applicationn Stainless Steel, Steel, Compatible Tool Type Angle Grinder, Series Z-Tech, Wheel Type Type 27, Maximum Operating Speed 8,500 RPM, Grade Extra Coarse