Converts your angle grinder into a sander.  Designed for use in angle grinders and is ideal for metal applications. Thegrinder/sander conversion kit includes (1) Back up pad, (1) M- 1.25 Locknut, (1) M- 1.50 Locknut and (2) 50 grit (coarse) fiber discs. Improves performance, extends sanding life and increases productivity. 5/8" Arbor.