"6in. x 3/4in. x 1in. medium grit aluminum oxide grinding wheel. For use on all bench and pedestal mounted grinders for offhand deburring, sharpening, shaping and limited stock removal on all types of material. Telescoping plastic bushings allow the wheel to fit most standard arbor sizes, including 1/2in., 5/8in., 3/4in., 7/8in. Abrasive Type Aluminum oxide, Includes qty. 1, Wheel Diameter in. 6, Wheel Thickness in. 3/4, Arbor Size in. 1."