Sandblaster angle grinder surface conditioning discs are ideal for sanding and finishing contoured or curved surfaces. These discs will resist clogging and are extremely durable. Made with heavy-duty durable resin coating on nylon mesh. Can be used on metal, wood, and fiberglass. Multipack includes 1 each of a stripping (36 grit), cleaning (60 grit), and finishing (120 grit) discs. 5/8" arbor must be used with 3M Quick Loading Adapter (model No. 9675).