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KomeStone

12000 Grit Aluminum Oxide Rock Tumbler Polish, Step 5 Enhanced Final Polish

✅ In stock
F
Grade
💤 Not a Deal
11.27/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$28.48
Listed $29.98
Save $1.50 5% OFF
Analysis Confidence 55%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 11, 2026 4:39 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • 💰The current price sits right around what this item typically fetches.
  • 🏷️The listed retail price is trimmed by 5% at checkout.
  • 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 7.27/20
Deal Strength 0/20
Momentum 4/10

📝 Product Overview

🏪 Sold by KS 2026
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

✓12000 Grit Rock Polish—Ultra-Fine Final Surface Finishing: For projects using an 800–1500 grit regular polish, KomeStone 12000 grit provides a higher nominal grit option for a dedicated finishing cycle. This aluminum oxide polishing powder helps develop gloss and luster on properly prepared rocks, gems, and glass, bringing out their natural colors and patterns.
✓Step 5 Final Polish—Or an Additional Cycle After 8000 Grit: Use this rock tumbler polish after completing the earlier grinding, smoothing, and regular polishing stages. Alternatively, follow an 8000 grit cycle with 12000 grit as an additional finishing step. An 8000 grit cycle is optional, allowing flexibility in your rock tumbling grit and polish routine.
✓Aluminum Oxide Rock Polish for Lapidary Projects: This rock polishing grit is suitable for prepared quartz, agate, gemstones, and glass in collections, decorative pieces, and jewelry making. Use the rock polishing compound to focus on the final appearance after surface preparation is complete. Results vary with material hardness, prior preparation, load conditions, and polishing time.
✓Rotary & Vibratory Tumblers—1 LB Polish Refill: This rock tumbler grit works with rotary and vibratory machines. The resealable container makes it convenient to measure powder for each batch and store the remainder with your rock tumbling grit supplies.
✓Recommended Usage & Cleaning: Thoroughly clean stones and barrel, including after an optional 8000 grit cycle. Start with approximately 0.05 lb of powder per 1 lb of stones and follow your machine’s water guidance. Use 3–5 days as an initial guide, checking progress and adjusting for materials and equipment. Rinse after finishing.
✓Complete Your Rock Tumbling System – Full Grit Line from KomeStone: This 12000-grit polish is the final step in KomeStone's complete multi-stage grit system. Our Full Stage Rock Tumbler Grit Kit covers Steps 1–4 in a 5 lb set, with refills in 4 lb, 6 lb, and 10 lb sizes. Customers who use KomeStone tumblers with our full grit lineup consistently report outstanding results.
✓KomeStone designs rock tumbling products for beginners and hobbyists. Our lineup includes the K Series (K1, K1 Pro, K2, K4, K5) and G Series (G1, G2, G3) rock tumblers, offering options for different capacities and experience levels. Select models feature upgraded motors and heavy-duty metal bases for enhanced stability. We also offer a complete rock tumbling grit system to support every stage of polishing, helping users achieve smooth, polished stones.

⚙️ Specifications

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Purpose
$29.98
$22.78
$27.53
$27.53
$28.48
$28.48
$32.98
Purpose
Create Bright Shine
Achieve Mirror Finish
Rock Shaping & Surface Repair
Smooth Grinding Marks
Refine Surface Texture
Prepare for Final Polish
Complete Grind & Pre-Polish
Material Type
Aluminum Oxide
Cerium Oxide
Silicon Carbide
Aluminum Oxide
F
$28.48
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