Fineness 1 steel wool is a powerful all-terrain that effectively removes the toughest debris and dirt. it is very suitable for cleaning dirty floors, tiles, metal and wooden surfaces. steel wool is also ideal for sanding primers and wooden floors. thanks to the thin and robust material, it is particularly suitable for use on surfaces such as metal, sheet, non-ferrous metal, aluminum, paint or wood. fineness 1 steel wool has a practical weight of 200 g.