Zirconia Alumina, Connector Size 5/8 in, Connector Type Unthreaded Hole, Grit 16, Overall Diameter 8 in, Overall Thickness 1 in, Compatible Tool Type Die Grinder, Primary Material Application Nickel Alloy, Stainless Steel, Steel, Titanium, Tool Steel, Specification NZIV16-O, Wheel Hardness O, Wheel Type Type 1, Series NorZon Plus, Grade Extra Coarse, Item Portable Snagging Wheel