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📉 PRICE DROP
Rock Tumbler Grit Kit Refill for 10lb Tumblers, 4 Step Silicon Carbide & 12,000 Grit Aluminum Oxide Polish, Stone Polishing Kit for Rotary & Vibratory Rock Tumblers
✅ In stock
📉 Price recently dropped
C
Grade
Analysis Confidence
100%
Price verified Sep 29, 2026 3:18 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 8% at checkout.
- 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
- 📈Pricing has been trending lower — momentum that adds further appeal to this deal.
How We Scored This Deal
Price Competitiveness
9.43/28
Recent Value
12.35/22
Market Standing
7.37/20
Deal Strength
16/20
Momentum
10/10
📝 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 10LB TUMBLERS – EASY TO USE: Each stage is pre-measured specifically for 10lb 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
9 x 5 x 1.8 inches
1.88 pounds
B07FHLKRY1
4.5
8 months and up
See Top 100 in Industrial & Scientific
Package Dimensions
9 x 5 x 1.8 inches
Item Weight
1.9 pounds
ASIN
B07FHLKRY1
Item model number
MJR10pgk
Manufacturer recommended age
8 months - 8 years
Best Sellers Rank
See Top 100 in Industrial & Scientific
Customer Reviews
4.5
Is Discontinued By Manufacturer
No
