{"product_id":"large-10lb-rock-tumbler-grit-and-polish-refill-kit-4-step-grits-polish-up-to-70-lbs-rocks-dual-tumbling-media-ceramic-plastic-pellets-ideal-for-national-geographic-koolstone-all-rock-tumbler-1","title":"Large 10LB Rock Tumbler Grit and Polish Refill Kit - 4 Step Grits Polish Up to 70 LBS Rocks, Dual Tumbling Media (Ceramic \u0026 Plastic Pellets), Ideal for National Geographic, Koolstone \u0026All Rock Tumbler","description":"\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e AtoRock\u003c\/p\u003e\u003cp\u003e\u003cb\u003eColor:\u003c\/b\u003e Black\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProfessional 4-Step Polishing - Up to 80% Shine: The rock tumbler grit kit follows a strict 4-stage process: coarse grinding, medium grinding, pre-polishing, and final polishing. By using different thicknesses of grits, it can easily turn rough raw stones, sea glass, etc. into smooth and glossy finished products, with a shine of up to 80%, presenting a professional polishing effect.\u003c\/li\u003e\n\u003cli\u003eComplete Grit Kit with All Necessary Part: This rock tumbling grit set includes full polishing consumables: 2 lbs 60 grit-coarse silicon carbide, 2 lbs 150‑grit medium silicon carbide, 1.5 lbs 600‑grit fine silicon carbide, 1.5 lbs 1200‑grit aluminum oxide, 2 lbs ceramic media, 1 lb plastic pellets, and 2 measuring spoons - no extra purchases needed.\u003c\/li\u003e\n\u003cli\u003eLarge \u0026amp; Durable Polishing Grit Set: The complete rock polishing grit kit has a total weight of 10 lbs, providing ample material to process up to 70 lbs of rough stones in multiple batches. It reduces frequent repurchasing and lowers per‑polishing cost, ideal for continuous use with our A1, A1 Pro, and A3 rock tumblers.\u003c\/li\u003e\n\u003cli\u003eDual Media for Smoother \u0026amp; Finer Finish: The rock tumbler grit and polish refill comes with 2 lbs of ceramic tumbler media and 1 lb of plastic pellets, which can be used in all polishing stages.Ceramic pellets protect stone surfaces and reduce noise, while plastic pellets help balance barrel weight for smoother tumbling, further improving smoothness and finish quality.\u003c\/li\u003e\n\u003cli\u003eRecommended Grit Dosage: We suggest 2 scoops of polishing grit per 1 lb of stones for each stage; use 4 scoops for 2 lbs of stones. Slightly increasing grit amount can improve polishing performance. Recommended rolling time per stage is 7–10 days, adjustable based on stone hardness and size.\u003c\/li\u003e\n\u003cli\u003eWorks with All Tumblers: Our polishing supplies compatible all brands and models of rotary and vibratory rock tumblers, ideal for National Geographic, Komestone, Koolstone, and other brands tumbler. Simply add grits in sequence for polishing. Both beginners and experienced hobbyists can use the grit for rock tumbler with ease.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AtoRock","offers":[{"title":"Default Title","offer_id":43139905323106,"sku":"B0GHV8X2W4","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/9493\/files\/51uINovsgwL._SL500_aa635c53-e652-485b-940d-0b23a9ed044e.jpg?v=1784732976","url":"https:\/\/www.mddcprint.com\/products\/large-10lb-rock-tumbler-grit-and-polish-refill-kit-4-step-grits-polish-up-to-70-lbs-rocks-dual-tumbling-media-ceramic-plastic-pellets-ideal-for-national-geographic-koolstone-all-rock-tumbler-1","provider":"MD DC PRINT","version":"1.0","type":"link"}