Quantity- +Add to Cart. 3 # lb capacity media ball mill. Perfect size for the small hobbyist to mill black powder, rocket propellant and other. (barrel measures 4.75" high x 4.5" in diameter). Grind most materials into a fine powder in just a few hours. Includes a single 3 lb. Neoprene barrel with quick-seal, leak proof closures (spark ...
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