There are hundreds of uses for steel wool including: household chores, hobbies and projects. The super-fine grade #0000 is for final finishes, the extra-fine grade #000 for buffing and polishing furniture, the very-fine grade #00 for metal polishing, the fine grade #0 for smoothing and finishing, the medium grade #1 for general purpose uses, the medium-coarse grade #2 for surface preparation, and the coarse grade #3 for paint & varnish removal.