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Rock Tumbler Grit Kit Refill for 3lb Tumblers, 4 Step Silicon Carbide & 12,000 Grit Aluminum Oxide Polish, Stone Polishing Kit for Rotary & Vibratory Rock Tumblers
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Price verified Sep 25, 2026 5:34 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
MJR Tumblers
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓COMPLETE 4-STAGE ROCK POLISHING SYSTEM: This refill grit kit includes all four essential stages of rock tumbling—coarse (60/90), fine (120/220), pre-polish (400/600), and ultra-fine 12,000 grit aluminum oxide polish. Designed to guide stones from rough surfaces to a smooth, polished finish.
✓12,000 GRIT ULTRA-FINE POLISH FOR FINAL FINISH: The included sub-micron aluminum oxide polish is designed for the final stage, helping bring out a smooth, refined surface. Ideal for achieving a clean and polished appearance after shaping and smoothing stages
✓PRE-MEASURED FOR 3LB TUMBLERS – EASY TO USE: Each stage is pre-measured specifically for 3lb rock tumblers, simplifying the polishing process. Just add the contents at each stage and let the tumbler do the work—no complicated measuring required
✓COMPATIBLE WITH ROTARY & VIBRATORY TUMBLERS: Works with most rock tumblers, including rotary and vibratory models. A versatile grit refill option for maintaining your polishing workflow or restocking supplies.
✓USA OWNED BRAND WITH QUALITY MATERIALS: Offered by a USA-based, disabled and veteran-owned company. MJR Tumblers provides reliable rock tumbling supplies designed for consistent performance and ease of use.
⚙️ Specifications
Material
Aluminum Oxide, Plastic Pellets, Silicon Carbide
Grit Material
Aluminum Oxide; Silicon Carbide
Item dimensions L x W x H
8 x 6 x 0.4 inches
Brand
MJR Tumblers
Grit Type
Coarse; Fine; Pre Polish; Polish
Item Weight
8.96 ounces
Grit Number
12000
Number of Items
4
Manufacturer
MJR Tumblers
Product Dimensions
8 x 6 x 0.4 inches
ASIN
B07DZ54NQN
