Size Arbor Grit Maxrpm Type 4-1/2? 7/8? Coarse, Medium, Very Fine 13300 T27 T29 5? 7/8? Coarse, Medium,Very Fine 12000 T27 T29 Characteristics: High quality non-woven web disc for finishing,cleaning work on stainless steel. Deburring milled surface, Removing flash and parting lines,scratches and weld discoloration. Blending weld seams and deburring edges.