For versatility you can use your Milwaukee 13 and 15 Amp 5,000 RPM Grinders for Sanding operations as well. This lightweight polypropylene backing pad kit converts Milwaukee's 6072, 6065-6 and 6067-6 Grinders to Sanders. The kit includes a 9 inch backing pad, a 5/8-11 thread disc nut. Does not include sanding disc. Order separately.