... , 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 ... for smooth raised grain or primary coats. Suited for cleaning copper fittings and pipes2MEDIUM COARSEFor paint removel on awkard corners and ...