HHIP 2403-6752 6 x 1/16 x 3/4 x 1-1/4 Inch 75% 6A2C Plain Diamond Wheel Wheel Diameter 6"; Wheel Thickness 3/4 Diamond Width 3/8; Diamond Depth 1/16 With countersunk bolt holes Arbor Hole: 1-1/4" 75% Concentration Mount on popular 6" carbide grinders; Diamond (150 Grit) Arbor Hole: 1-1/4"