Here's the info found on eBay...
18lb VIBRATING METAL POLISHER Thumlers Tumbler UV-18
You are bidding on a fantastic, BRAND NEW IN THE BOX , heavy duty 18 lb. Capacity THUMLERS Ultra-Vibe Vibratory METAL POLISHER. (Model No.180, UV-18 ) That's right this tumbler will hold up to 18lbs of metals at a time for you to polish. This tumbler is great for polishing most metals to a nice shinny finish. It's works very well for shell casings, coins, fishing lures, jewelry, brass, silver and lots more. (not recomended for rocks)
It is a super strong heavy duty, professional quality vibrating tumbler. This features a continuous duty, large 1/30hp motor with overload protection. It has a removable Heavy Polyethylene Bowl that measures 8 3/8 inches by 4 3/8 inches with Lid and Vibrates at 3000 VPM. The Mass creates a cyclonic effect, moves around the bowl and down into the center. The base is all metal, not a plastic toy type like other companies make. Extensively used by serious hobbyists, laboratories, and schools for an unlimited variety of tumbling and mixing operations. This tumbler will last you a long time as Thumlers Tumblers are considered the best in the business.
