Professional Cutting-Edge Brushless Motor Advanced Ball Mill/Rock Tumbler Polisher Kit, Large 2.5Lb Barrel with 3-Speed & 9-Day Timer, Includes All Accessories, Ideal Gift for Adults & Collectors

This is a rotary tumbler and small ball mill kit built around a 2.5 lb soft rubber barrel and a brushless motor, rated by the maker at over 20,000 hours. An LCD panel provides three speeds, a nine-day programmable timer and a pause function, and the rubber barrel runs considerably quieter than a hard plastic drum.

The kit includes the machine, barrel with stainless steel lid, spare drive belts, 1 lb of rough rock, a four-stage grit set of 60, 120, 150 and 1200, ceramic filler media and an illustrated instruction book.