steel wool 1. grade:0000, 000, 00,0,1,2,3,4 2. material: steel wire 3. packaging: plastic bag steel wool, grade:0000, 000, 00,0,1,2,3,4STEEL WOOL GRADE CHART 0000SUPER FINEFor varnish, polyurethane, smooth lacquer, and shellac. Buffing woodwork and fumiture to a high luster with wax or oil.000EXTRA FINEFor scuff sanding and removing imperfections between coats, Remove paint splatters and ...