Grinding Wheel, Abrasive Depth 1/16 in, Abrasive Material Cubic Boron Nitride, Back Thickness 3/8 in, Concentration 75, Connector Size 1 1/4 in, Connector Type Unthreaded Hole, Grit 100, Compatible Tool Type Tool and Cutter Grinder, Primary Material Application Stainless Steel, Steel, Titanium, Tool Steel, Overall Diameter 3 3/4 in, Overall Thickness 1 1/2 in, Rim Thickness Not Applicable, Series Aztec, Specification CB100-TB99-1/16, Wheel Type Type 11, Maximum Operating Speed 9,075 RPM