Norton 82082 5X 180 Grit Contour Sanding Pads The flexible sanding abrasive is perfect for curved, contoured or flat surfaces of wood, metal, paint, plastic, ceramics and drywall Lasts up to 5 times longer than conventional sandpaper of the same size V-groove channel for sponge handle Washable for longer life Can sand into areas unreachable by sandpaper sheets