3M™ Scotch-Brite™ 18364 Quick-Change Coating Removal Disc, 2 inch Dia Disc, Extra Coarse Grade, Silicon Carbide Abrasive, Type TR Attachment. Strips coatings and preps surfaces more effectively than wire brushes. Cleans welding scale, discoloration and seams. Non-woven material aggressively removes coating without damaging the base material. Open web material runs cool and resists loading for prolonged operation. Hook and loop attachment system provides fast disc changeout for multi-step finishing processes.