Aluminum Oxide Connector Size 5 in Connector Type Unthreaded Hole Grit 46 Overall Diameter 14 in Overall Thickness 1 1/2 in Compatible Tool Type Cylindrical Grinder Surface Grinder Tool and Cutter Grinder Primary Material Applicationn Steel Tool Steel Specification 32AA46-GVTRP Wheel Hardness G Wheel Type Type 1 Maximum Operating Speed 1 800 RPM Series 32AA Grade Coarse Bond Type Vitrified Color Blue Item Straight Grinding Wheel