3M Cloth Belt, 464W, grade 320, 6 in x 144 in (152.4 mm x 3657.6 mm) The 3M Cloth Belt 464W is an abrasive sanding belt constructed on a heavy, YF-weight backing that features closed coat construction for aggressive sanding actionThe silicon carbide abrasive, cork particles, and flexible backing make this cloth an ideal product for metal surface sanding and final cosmetic polish, including the required "blue" finish on stainless steel. Product Information Brand 3M Part # 7100092553 Origin Country USA Product InformationFlexible cloth material conforms to contoured parts for consistent finishingResin bonding resists deterioration from heat, extending the life of the abrasive beltSilicon carbide mineral and cork particles provide an aggressive cut and a fine finishWaterproof polyester material allows for easy debris removal