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All Tumbler Supplies Are In Stock Now - Shipping is Free Until 5/31/2021

Rock Tumbling Grit and Polish. Tumbler Refill Kits for Smithsonian, National Geographic, Lortone, Thumler. Silicon Carbide abrasives, Aluminum Oxide Polishes, Plastic spacers. Stainless steel shot for burnishing metal. Tumble your rock
  • Grit
    • By Tumbler
      • Smithsonian
      • National Geographic
      • Lortone
      • Thumlers
      • Harbor Freight
      • Standard Tumbler
      • Chicago Electric
      • Vibratory
    • By Rock Type
      • Grit for Agates
      • Grit for Jasper
      • Grit for Quartz
      • All other rocks
    • Grit Kits
    • Single Grit and Polish
  • Accessories
    • Spacers,Fillers
    • Burnishing Shot
  • Instructions
    • Smithsonian
    • Harbor Freight
    • National Geographic
    • Rotary
    • Vibratory
    • Burnishing
    • Chicago Electric
  • FAQ
  • BLOG
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Spacers Fillers Plastic Pellets


Spacers and fillers to cushion your rocks in the tumbling process and aid in grit and polish distribution. Great for adding material to improve tumbling process and fill barrel.

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poly plastic filler pellets for rock tumbling
Plastic Tumbling Spacers 7 oz. — Regular price $6.99
Poly plastic tumbler filler spacers. Spacers for cushioning tumbling media
Plastic Spacers Tumbler Fillers 11 oz. — Regular price $7.99

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