"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 21 in. Package Quantity 10 /Pack Product Weight 3. 8 lbs. Width 3 Model # 27495 Features: 240D Aluminum Oxide Use when loading is likely Open coat helps prevent loading of abrasive "X" weight cloth backing is extremely durable and will withstand tearing Resin bond resin over resin.
