Red devil steel wool-very fine 0000 grade- metal polish steel wool is ideal for many projects. Features: polish & restore old brass, copper & aluminum smooth burns from furniture & leather repair varnished surfaces clean & polish golf clubs clean grouting between tiles the super fine grade is for final finishes the extra fine grade for buffing and polishing furniture the very fine for metal polishing the fine grade for smoothing and finishing the medium grade for general purpose uses the medium coarse grade for surface preparation the coarse grade for paint varnish removal and the extra coarse grade for heavy duty jobs.