Norton® SG H920 80 Grit Ceramic Alumina Stick and Sand Disc has 5" Dia and provides a fast aggressive cutting action. Disc with strong F-weight paper, synthetic coated renders a optimum chip resistance and is suitable for soldered and welded areas, body-in-white applications. It is used for creating primed and painted surfaces, removing primer and paint, sanding of plastic and deburring, bare wood sanding and finishing metals of all types. It comes in a roll containing 100 disc and is sold as 4 rolls per pack.