Application It allows you to simply duplicate shape, metals, coins, rings jewelry items, and other complex shapes with ease. Superior Quality This pair of highly durable and robust vessel Flask mold is made of sturdy cast iron. Fine processing, the surface is treated with black oxidation to prevent rust and increase the surface gloss to make it more beautiful and reduce the deformation caused by some internal or external forces, which is better than normal Flask Mold. Ample Scope .
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