4 LBS Rock Tumbler Grit Step 1 -Coarse Grit(60#), for initial tumbling, Compa

Whether you are a professional rock tumbler or a beginner, warm instructions are provided. Rock tumbler grit and polish refill,universal grit, compatible with all rock tumblers.

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Professional Rock Polisher Tumbler Kit, Extra Large 2.5 lb.Barrel with 3-Speed Motor 9-Day Timer - Includes 3 Belts, Rough Gemstones, 4 Polishing Grits, Great Stem Science Gift for Adults Kid

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CONTAINS - 4 Pounds high quality 60# Coarse Silicon Carbide Grit Stage 1 coarse grit to initially shape the raw stone The rock polishing supplie is packaged in a reusable bottle container,easy use Whether you are a professional rock tumbler or a beginner - warm instructions are provided.

4 lbs Rock Tumbler Grit Step 1 -Coarse Grit(60#), for Initial Tumbling, Compatible with Any Brand Tumbler Stone Polisher,Rock Polisher,Tumbler Media

NATIONAL GEOGRAPHIC Professional Rock Tumbling Kit - Patent-Pending Rock Polisher for Kids & Adults, Platinum Series Ultra Quiet, 2lb Barrel, Rocks, Grit, GemFoam Polisher, A Great STEM Science Kit