"Abrasive Material Aluminum Oxide Applications Grinding and Finishing Backing Material Cloth For Use With Plastics, fiberglass, soft woods, and non-ferrous metals Grit Size 120X Length 24 in. Package Quantity 10 /Pack Product Weight 4. 2 lbs. Width 3 Model # 27470 Features: "Used in grinding and finishing plastics, fiberglass, soft woods, and non-ferrous metals" "A sharp, durably constructed belt with greater heat and moisture resistance than glue types".
