Replacement abrasive for the Rockler Plate Glass Sharpening System. Includes two each of 220, 320, 400, and 600 grit, 4-1/2" x 11" Klingspor silicon carbide A weight paper with a "peel and stick" backing. Use the coarse paper for removing nicks and correcting angles on chisels and blades, as well as for flattening waterstones.