3M Catalog# 51125464796, 6072342, 3M� Cloth Belt 964F, 36 YN-weight, 3-3/4 in x 148 in, Film-lok, Single-flex Our 3M� Cloth Belt 964F is designed to provide efficient surface finishing on a variety of metals including soft metals like aluminum. Made with 3M� ceramic grain attached to a water resistant polyester cloth backing using a resin bond, this belt can aggressively sand and finish surface without discoloring the metal. Can be used in either wet or dry applications. UPC: 00051125464796