Barrels are made of a very durable wear resistant plastic and are tapered at the mouth for easy unloading. They are suitable for wet or dry use and the cap seals to offer a water a...
Reviews
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I love the large capacity on the 1.25 gallon/ 20# barrel. I can polish 3x as many rocks as a lot of smaller units.
I recently ordered a replacement. The improved design made sense until I used it, and several rocks kept getting stuck between the chunky plastic blocks inside the barrel. Which meant I had to keep checking it regularly to remove the stuck rocks.
So I'm sad to say I was not impressed. I've had my MJR tumbler about for about 5 years. The original barrel was destroyed from the inside out after 4 years of regular use - there was a split that formed at the neck of the barrel that leaked. When this new barrel dies, I will personally be looking into another brand.