The universal hand sanding sheet 3M Scotch Brite™ 7446 with medium grit is intended for manual surface blending and finishing work on metals, wood, and other materials. It is ideal for cleaning, removing scratches, scuffs, smoothing welds, etc. It has similar properties to grade 3 steel wool, but it does not fray, rust, or leave behind fine metal filings. It is highly effective when used in woodworking applications.