Review of the dual drum Rotary Rock Tumbler by Chicago Electric Power Tools.. This Chicago Electric Power Tools Dual Drum Rotary Rock Tumbler is a high-quality tool that is perfect for lapidary enthusiasts. With a 2-3 lb capacity, it is ideal for tumbling rocks, fossils, and minerals.
The Chicago tumbler ended up failing past the point of where I wanted to fix it any longer. Like you, that single barrel didn't process enough rocks for my liking, so I built my own. Good link for building your own tumbler. I also use a Raytech TVL5, which is a vibrating tumbler for all my rocks when they are finished with coarse grind. I.. Experience the efficiency and versatility of the Chicago Electric Power Tools Dual Drum Rotary Rock Tumbler, a must-have for enthusiasts and professionals alike. Designed to accommodate two 3lb capacity drums, this tumbler is ideal for a variety of rock and mineral processing tasks.