Rock Tumbler Grit & Polish Refill Kit - 4-Step Polishing Set (Coarse/Medium/Pre-Polish/Polish), Compatible with National Geographic, Komestone, Koolstone & Other Tumblers, 4-Bag Trial Pack
4-Step Grit for 80% Gloss Finish: Our rock tumbler grit delivers up to 80% glossiness, easily turning rough, dull stones into smooth, bright, and brilliantly polished treasures with professional-grade luster.
Complete 4-Step Grit: This rock tumbler grit & polish refill kit includes 1oz of Step 1 Coarse Grit, 1oz of Step 2 Medium Grit, 1oz of Step 3 Pre-Polish, and 1oz of Step 4 Final Polish. Made from high-grade, durable abrasive materials, each grit is carefully selected for consistent, reliable performance.
Scientifically Formulated Polsihing Set: Our polishing grits are proportioned and sequenced to follow the ideal tumbling workflow: coarse grinding- medium shaping- pre-polishing-final high gloss. This optimized process ensures efficient material removal and a flawless finish every time.
Easy & Efficient Operation: Each bag of the tumbling grit is designed to polish up to 1 pound of stones. Just follow 3 simple steps: place 1lb of rough stones into the tumbler, add grit and water, then tumble for 5–7 days. Your stones will come out smooth, shiny, and beautifully transformed.
Works with All Rock Tumblers: This grit for rock tumbler is perfect for both professional lapidarists and hobbyists. Whether you use a vibratory or rotary tumbler, you can achieve professional‑grade tumbling and polishing results right at home.
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