Ceramic 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 Cast Iron Nickel Alloy Stainless Steel Steel Titanium Specification 3SGP46-HVSP Wheel Hardness H Wheel Type Type 1 Maximum Operating Speed 1 800 RPM Series 3SGP Grade Coarse Bond Type Vitrified Color Purple Item Straight Grinding Wheel