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Amazon.com: Alumilite AlumiRes (RC-3) Urethane Casting Resin Black [1 gal A + 1 gal B(2 gallons) Two-Part Kit] Great for Small, Large, Durable Pieces such as Rock Climbing Holds, Medical Parts, Architecture
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Amazon.com : Atomik Rock Climbing Holds Set of 15 Bolt-On Rock-Like in Assorted Earth Tones : Sports & Outdoors
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