RYOBI introduces the Metal Buffing Kit (7-Piece). This upgraded 7-Piece kit provides everything you need for buffing and polishing metals and plastic. The wheels are double and triple sewn with a higher thread count material. To learn more about RYOBI tools go to RYOBItools.com and check out RYOBI Nation. Tools included for cleaning, polishing, and shining Emery compound is used to clean hard metals Tripoli compound is for cleaning soft metals and plastics White rouge compound is for final shining of all metals except for solid and plated silver and gold use to shine plastics Buffing wheel material increased to 86x80 TPI for less shredding Additional stitching on wheels for tougher buffing and polishing applications Includes: (1) White Rouge Mini Compound Stick, (1) Tripoli Mini Compound Stick (brown), (1) Emery Mini Compound Stick (black), (1) 2-1/4 in. Cushion Sewn Buffing Wheel, (1) 3 in. Cushion Sewn Buffing Wheel, (1) 4 in. Cushion Sewn Buffing Wheel, (1) 1/4 in. Mandrel with Threaded Screw, and (2) Domed Washers