Abrasive Cut-Off Wheel Abrasive Material Aluminum Oxide Grit 36 Connector Size 3/8 in Connector Type Unthreaded Hole Overall Diameter 4 in Overall Thickness 0.125 in Compatible Tool Type Die Grinder Primary Material Applicationn Stainless Steel Steel Series A24R Wheel Type Type 1 Specification A24R Maximum Operating Speed 19 000 RPM