RYOBI introduces the RYOBI 29 PC. Sanding and Polishing Kit. This set offers ideal solutions for sanding and polishing. This set includes sanding bands and grit infused polishers. These grit infused polishers are an excellent option for polishing, not requiring compound in order to polish surfaces. This set contains interchangeable bit bars. These bit bars are interchangeable with drill drive cases as well as the RYOBI LINK Storage System.