This is a very important abrasive material, widely used in both traditional and modern polishing techniques. Liberon steel wool is produced in various grades: Grade 0000 - excellent for applying wax polish, cutting down French polish, cleaning delicate woodwork, cleaning and polishing metalwork etc. Grades 00, 0 and 1 - use any of these grades to clean woodwork or dirty metalwork, and with white spirit or meths after stripping to clean surfaces thoroughly before re-finishing. Grades 2 and 4 - mainly used for stripping and heavy cleaning. Always cut off length with scissors or snips, don't try to pull off pieces.