Thumler's Tumbler Model B Large Rotary Tumbler Casting Machines & Equipment The Guardian II is now

The Guardian II is now the dominant locking earring back system on the market

CE-compliant plastic housing foot control matched specifically to the SR CE motor

reduce speed and apply additional lubricant

Jewelry components in gold

9% for harmful smoke and odors

Thumler's Tumbler Model B Large Rotary Tumbler Casting Machines & Equipment The Guardian II is nowThe Thumler's Tumbler Model B Large Rotary Tumbler is a heavy duty rotary tumbler designed for continuous burnishing, polishing, cutting, and surface finishing applications. Built for jewelry studios, lapidary work, and general mass finishing, it steadily processes parts over long cycles for consistent results. The low, steady rotation and rhythmic motion create a methodical finishing action that works around the clock with minimal supervision.