The Lot-o-Tumbler processes a load of rock in about a week and produces an awesome polish! It also uses less than 1/2 as much grit as a rotary tumbler. It is great for polishing rocks, preformed cabochons and other items. One four-pound barrel.
Process twice as much rock in the double barrel vibratory tumbler from Lot-o-Tumbler. The small price increase for doubling your capacity is a great deal.
Known as the "Ultra-Vibe", this vibratory tumbler from Thumler's has a large bowl for processing a ten-pound load of rough or preforms. This is the heavy duty industrial version of the UV-10.