3M Drywall Sanding Screens are designed for sanding drywall joints, patching compounds and plaster. The abrasive is waterproof with a sharp synthetic material that cuts fast. This versatile product can also be used on wood, metal, plastic and painted surfaces, either wet or dry. Drywall Sanding Screen is made to fit most drywall sanding tools. Made with a sharp synthetic mineral for long-lasting performance. Waterproof and can be rinsed for reuse. Features an open mesh cloth backing which reduces loading.