Fundamental Rockhound Products: 2 lb 150/220 Medium GRIT for rock tumbling polishing Silicon Carbide

Fundamental Rockhound 1 lb 46/70 Extra Coarse GRIT for Rock Tumbling polishing Silicon Carbide

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Product Review

One pound Extra Coarse size 46/70 silicon carbide grit.
For rougher than usual stones, use before step one 60/90 coarse stage
American Made media for rock tumblers

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Fundamental Rockhound Products: 2 lb 46/70 Extra Coarse GRIT for rock tumbling polishing Silicon Carbide

Fundamental Rockhound Products: 2 lb 150/220 Medium GRIT for rock tumbling polishing Silicon Carbide