You save 2,510 (30%)
Estimated doorstep delivery by 20 Nov - 22 Nov from USA
Professional-Grade Polishing at Competitive Price
Blue Marble Rock Tumbler Grit & Polish Kit is a comprehensive four-stage polishing media set, imported from USA, designed to transform rough rocks into polished gems. Each stage contains high-quality silicon carbide grit, packaged in wide-mouth containers for easy measurement and storage. Suitable for all rock tumblers, this kit supports polishing up to 20 lbs. of rocks, glass, and gems, making it ideal for hobbyists, educators, and jewelry enthusiasts in India.
Each grit stage performs a specific function: initial shaping, surface smoothing, pre-polishing, and final polishing, ensuring professional results. Reviewers in humid Indian climates report consistent polishing performance without clogging or moisture issues. The kit arrives factory-sealed, with all duties paid, ensuring a hassle-free experience for Indian buyers. The included instructions make it easy for beginners to achieve dazzling results, making this an essential addition to any rock tumbling hobby.
Imported directly from the USA, this kit offers superior quality and reliability compared to local alternatives. It arrives in 48-72 11-13 days days, with all duties and GST included, providing excellent value for money and supporting educational and creative projects in India.
Premium Quality Imported Grit
This kit features high-grade silicon carbide grit, imported from the USA, ensuring consistent, professional polishing results. Its four-stage system is designed for durability and ease of use, making it ideal for hobbyists and educators in India seeking reliable supplies.
Ideal for Hobbyists & Educational Use
Suitable for polishing rocks, gems, glass, and more, this kit supports educational projects, jewelry making, and hobbyist rock tumbling. Skip if you need a smaller or single-stage kit; this is a complete four-stage system for serious results.
Typical situations where Blue Marble Rock Tumbler Grit & Polish Refill Kit | 20 lbs. of Rocks | Four-Stage Tumbling Media helps — illustrative scenarios, not customer reviews.
A school in Mumbai conducts geology classes, needing reliable polishing media for student projects.
Imported USA grit ensures consistent results; 20 lbs. capacity supports multiple projects, arrives in 11-13 days.
| Capacity | Supports up to 20 lbs. of rocks |
| Directions | Add grit to tumbler, run for specified time, repeat with finer grit stages for best polish |
| Feature | Blue Marble Rock | Others |
|---|---|---|
| Grit Quality | High-grade silicon carbide grit imported from USA, durable and consistent | Typically lower-grade grit, variable quality, less durable |
| Polishing Capacity | Supports up to 20 lbs. of rocks with four-stage system | Supports fewer pounds, often with fewer stages |
| Compatibility | Works with all rock tumblers, best with National Geographic models | Limited compatibility, variable results |
| Price per Stage | ₹1,498 per stage | ₹300-₹500 per stage in local market |
| SKU | ysc0718 |
| GTIN | 00816448020636 |
| Brand | Blue Marble |
| Size | One Size |
| Color | Black |
| Material | Silicone |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About Blue Marble
Blue Marble specializes in high-quality educational and hobbyist products, with a focus on reliable, USA-imported materials for global markets.
Compliance & Legal
This is a support product for hobbyist and educational use. No medical or safety claims.
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This item:
Blue Marble Rock Tumbler Grit & Polish Refill Kit | 20 lbs. of Rocks | Four-Stage Tumbling Media
5,990
This item
Blue Marble Rock Tumbler Grit & Polish Refill Kit | 20 lbs. of Rocks | Four-Stage Tumbling Media
5,990
Total price:
12,240
You save 3,800 (24%) Extra3 items selected
3 items
12,240You save 3,800 (24%) Extra
| Attributes | Current |  |  |  |  | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 5,990 8,500 | 3,410 4,630 | 2,840 2,910 | 5,810 7,940 | 8,770 12,840 | 1,380 1,950 | 2,670 4,200 |
| Brand Name | Blue Marble | GANGOU | MJR Tumblers | MJR Tumblers | MJR Tumblers | AIEX | RunJRX |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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