Komestone

Rock Tumbler Grit Kit - 4LB 4-Step Polish Refill with Ceramic Tumbling Media, Polish Up to 25 lbs of Rocks, Compatible with All Rock Tumblers, from the Rock Tumbler Experts

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Description

  • Complete 4-Step Rock Tumbler Grit Kit - Everything In One Box: Includes 1 lb 60-grit coarse silicon carbide (Step 1: removes surface scratches and shapes the stone), 1 lb 150-grit medium silicon carbide (Step 2: smooths rough surfaces), 1/2 lb 600-grit fine silicon carbide (Step 3: creates a pre-polish sheen), 1/2 lb 1200-grit aluminum oxide (Step 4: delivers a brilliant, glass-like final polish), and 1 lb ceramic tumbling media for barrel balance.
  • Polish Up To 25 Lbs Of Rocks Per Kit - High Efficiency: Each 4LB kit provides enough grit and media to process up to 25 lbs of stones across multiple batches. Cost-effective for continuous projects, large-capacity tumblers, and serious collectors who need reliable, repeatable results without frequent restocking.
  • Compatible With All Rock Tumblers - Formulated By Tumbler Experts: Works with any rotary or vibratory rock tumbler. Developed by KomeStone - makers of the best-selling brushless motor rock tumbler in the U.S. - this grit kit is engineered to deliver consistent, professional-grade results across all tumbler types and stone hardness levels.
  • Easy To Measure, Easy To Store - No Mess: Each grit stage comes in individually sealed bottles with wide-mouth openings and secure screw-top closures. Use 2 tablespoons (approx 25-30g) of grit per 1 lb of rocks per stage. Tumble 7-10 days per step. Ceramic media can be reused across all stages - no need to remove between washes.
  • Transform Rough Rocks Into Glass-Like Gems: Suitable for rocks, gemstones, sea glass, and metals. Whether you are a beginner starting your first tumbling project or an experienced collector refining your technique, this complete grit kit delivers professional-grade results. Makes a great gift for rock enthusiasts, geology students, and lapidary hobbyists of all ages.
Technical Specifications
Manufacturer
KomeStone
Model
KS0720RT17
Color
Blue
Size
B: Essential for Polishing (4 Pounds)
Height
8.9 cm
Length
6.1 cm
Width
6.1 cm
Weight
4.74 kg
Shipping & Delivery

Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.

Returns & Exchanges

We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.