3 LB Rock Tumbler Grit and Polish Refill Kit, 4-Step Tumbling Media Coarse/Medium/Pre-Polished/Final Polish, Silicon Carbide Gri

3 LB Rock Tumbler Grit and Polish Refill Kit, 4-Step Tumbling Media Coarse/Medium/Pre-Polished/Final Polish, Silicon Carbide Gri

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