
Covington Tumbler Grit and Polish Kit
Covington Tumbler Grit & Polish Kit – Complete 6-Step Kit for Rock Tumbling Success
Start strong and finish brilliantly—everything you need for a complete tumbling cycle in one convenient kit.
Perfect for beginners and hobbyists alike, the Covington Tumbler Grit & Polish Kit takes the guesswork out of rock tumbling. With a carefully curated selection of grits, polish, and additives, this all-in-one kit guides your stones through each critical stage—from coarse shaping to final shine.
What’s Included:
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1 lb. 60/90 Grit – Aggressive shaping and rough grinding
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1 lb. 120/220 Grit – Intermediate smoothing to refine edges
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1 lb. 3F/400 Grit – Pre-polish for fine, uniform surfaces
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1 lb. Gold Polish #1 – A high-quality polish that compares to tin oxide for a glossy, professional-grade finish
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1 lb. Plastic Pellets – Ideal for cushioning delicate loads and improving tumbling efficiency
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12 oz. Old Miser – A tumbling additive that extends grit life and improves slurry performance
Also available in a 5 lb. bulk kit for high-volume tumbling or group projects.
Why It Matters:
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Step-by-Step Simplicity
Designed for beginners, this kit provides the exact materials needed for each phase—so you get better results without needing to research or guess. -
Consistent, High-Quality Finish
Each grit is precision-graded to ensure even wear and uniform smoothing, while the Gold Polish #1 brings out a deep, mirror-like shine on a wide range of stones. -
Added Efficiency and Protection
Plastic pellets and Old Miser help protect your stones and stretch your supplies further, saving time, effort, and cost in the long run.
Whether you're tumbling agates, jaspers, or beach rocks, the Covington Tumbler Grit & Polish Kit gives you a reliable path to smooth, vibrant stones—and a more enjoyable tumbling experience from start to finish.