Turn rough rocks into beautifully polished gemstones. This professional quality tumbler features a 15 pound capacity steel hexagonal barrel with removable rubber liner. It can be used for a variety of tumbling and mixing operations, and will polish brass and other metals as well as rocks. The 115V heavy duty motor is fan-cooled and overload protected. Size: 13 1/2" x 12 3/4" x 11 1/2"; weight: 15.5 lbs.