Rotary Tumbler Jewelry Coin Polisher Finisher Tumbling Polishing Machine + Beads

This tumbler is a great hobby for beginners and great tool for experts.About switches of the Rotary Tumbler Jewelry Polisher, on the left is a timing switch. Turn the left is normally open, which is always opening; turn the right is the timing, set a few minutes and it will stop automatically.

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