3M flexibel Backing disc

3M™ backing disc is durable and designed to support fiber discs on angle grinders. Hard rubber disc works well with various 3M support plates. They maximize disc use and reduce clumping for longer abrasive life. Securely attaches to tool with a disc retainer nut. Reduces vibrations and provides greater operator comfort. The hard rubber construction works with the fiber discs' backing material, providing lasting support. Fits 3M™ fiber discs with a central hole of 22.23 mm.