Depressed Center Grinding Wheel, Abrasive Material Ceramic, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Grit 36, Overall Diameter 6 in, Overall Thickness 0.25 in, Primary Material Applicationn Stainless Steel, Steel, Compatible Tool Type Angle Grinder, Series Silver, Wheel Type Type 27, Maximum Operating Speed 4,853 RPM, Color Black, Grade PSG