5in. x 3/4in. x 1in. aluminum oxide grinding wheel widely used on all bench- and pedestal-mounted grinders. Ideal for offhand deburring, sharpening, shaping and limited stock removal on all types of metal. Telescoping plastic bushings allow wheel to fit most standard arbor sizes. Wheel Thickness in. 3/4, Wheel Diameter in. 5, Arbor Size in. 1, Wheel Type General purpose grinding wheel, Wheels qty. 1.