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

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  • 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
  • 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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