7PCS 3 inch Metal Polishing Kit: Used for polishing jewelry and soft metals, used on a mini bench grinder, drills and other suitable rotary tools. A tapered mandrel is needed. This polishing kit includes: 1PC 3 inch X 42Ply coarse yellow muslin buffing wheel with red shellac center and pin-hole center. 1PC 3 inch X 50Ply soft white muslin buffing wheel with red shellac center and pin-hole center. 1PC 3 inch X 30Ply very soft flannel buffing wheel with red shellac center and pin-hole center. 1PC 100g bar corase brown tripoli polishing compound for initial polishing of soft metals . 1PC 100g bar fine all-purpose blue polishing compound for final finishing of soft metals . 1PC 100g bar fine red rouge polishing compound for jewelry finishing. 1PC 1/4 inch shank drill adapter.