Ceramic Connector Size 5 in Connector Type Unthreaded Hole Grit 80 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 5SG80-KVS Wheel Hardness K Wheel Type Type 1 Maximum Operating Speed 1 800 RPM Series 5SG Grade Medium Bond Type Vitrified Color Blue Item Straight Grinding Wheel