New* Lortone model 33-B rock tumber. The Lortone 33B Rotary Rock Tumbler offers a dual-barrel design, providing a total tumbling capacity of 6 lbs—3 lbs per barrel. With dimensions of 6-1/4 W x 16 L, this compact unit is efficient for polishing stones. Each barrel can operate independently or simultaneously, offering flexibility. Barrels: Two rubber barrels Capacity: 6 lbs total (3 lbs per barrel) Dimensions: 6-1/4 W x 16 L Operation: Barrels can be used simultaneously or individually Power Supply: 110V 60Hz only Weight: 7 pounds (empty) Covington Engineering has purchased the manufacturing rights for the Lortone Rock Tumblers and are now producing this high quality rock tumbler again. I have replacement parts for most lortone tumblers including motors. In-Person Cash Only Sales, No shipping. No Venmo, Credit Cards, or checks. Tumblers are not toys, and children must be supervised when around a running rock tumbler.