Features: 1) FLW-01 Non-woven Polishing Disc, non-woven wheel and flap wheel 2) Grit: 320#, 240#, 180#, 100#, 80# 3) Base fabric: top quality nylon Main purpose: 1) Available for polishing stainless steel, the non-metals surface, copper, watch cases, leather case, and the furniture 2) To rid of the burr of stamping and die-costing pieces Sizes are available as per your requirements and capacities the same series