Great for smaller projects or beginners, Thumlers Tumblers MP-1 2-lb. Rotary Rock Tumbler turns the roughest rocks into treasures. A 2-lb.-capacity rubber tumbler is spun by a 120-volt, overload-protected motor for efficient polishing. Also includes polishing rock, four grades of polishing abrasives, jewelry findings and an instruction manual. Made in USA. 10L x 7W x 8H. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rock Tumblers.