Vibratory Tumblers offer thorough, gentle cleaning - Automatically. Thoroughly clean and polish small parts & hardware without getting them in.launchedin. by wire wheels. Saves hours of labor. The Green Rust Cutting Media removes rust from threaded nuts and bolts without rounding-off edges. A brilliant luster can then be achieved by using the Dry Shine media. This Heavy-Duty Tumbler (handles twice the workload of the smaller (43204) tumbler) and includes two 12in. bowls (1 w/solid lid, 1 w/perforated lid), 7 lbs. Green Rust Cutting media, 4 lbs. Dry Shine and instructions.