Thumlers Tumbler 16 oz. of Rock Tumbling Fine Grit for Second Stage Polishing detector-protection so you're not chasing magnetite

so you're not chasing magnetite all day

The drainage holes clear rainwater without trapping debris

Battery Type: Rechargeable lithium-ion

Fine Gold for highly mineralized terrain with small to medium targets

and metalworking enthusiasts who need reliable equipment for melting precious metals safely

Thumlers Tumbler 16 oz. of Rock Tumbling Fine Grit for Second Stage Polishing detector-protection so you're not chasing magnetiteThumlers Tumbler 16 oz. of Rock Tumbling Fine Grit. For rock tumbling Second Stage polishing. Thumler's Tumbler rock tumbling fine grit is used in the second stage of rock tumbling to further abrade the rocks and round off the sharp edges.