USC S-21116 - 3M 7440 HEAVY DUTY HAND PADS - CONFORMS TO UNEVEN SURFACES. LASTS LONGER THAN STEEL WOOL. FOR STRIPPING VARNISH, DEBURRING WELDS AND REMOVING RUST. CUTS FAST TO REMOVE CONTAMINANTS AND OXIDES. TAN MEDIUM-GRADE ALUMINUM OXIDE. FEATURES:...