Depressed Center Grinding Wheel Abrasive Material Zirconia Alumina Connector Size 5/8 In.-11 Connector Type Threaded Hole Grit 24 Overall Diameter 5 in Overall Thickness 0.25 in Primary Material Applicationn Stainless Steel Compatible Tool Type Angle Grinder Series BlueFire INOX/SS Wheel Type Type 27 Maximum Operating Speed 12 225 RPM Grade Extra Coarse