Harbor Freight Chicago Electric Dual Drum Rock Tumbler Ball Bearing UPGRADE KIT!

The Harbor Freight Chicago Electric tumbler is a great machine but one of its weak points is the original plastic bushings which the roller shafts spin in. This is not a complete tumbler, rather it is an upgrade kit that requires you to have a Chicago Electric Dual Drum Rock Tumbler to install the upgrade on.

How I modified a Harbor Freight rotary tumbler and why. Part 2 of 2.

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