Abrasive Cut-Off Wheel Abrasive Material Aluminum Oxide Grit 60 Connector Size 1/16 in Connector Type Unthreaded Hole Overall Diameter 1 1/2 in Overall Thickness 0.035 in Compatible Tool Type Cut-Off Tool Die Grinder Primary Material Applicationn Cast Iron Steel Tool Steel Series OBNA2 Wheel Type Type 1 Specification A60-OBNA2 Maximum Operating Speed 40 745 RPM Reinforced Status Reinforced