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![6112CECF0CF351B499F6A77A443675A7](https://cdn.benco.com/MagickNetImageServer/ECommerceProductData/Image/6112CECF0CF351B499F6A77A443675A7?size=200x200&p="no_image_available")
Designed to be used as a runner bar during the fabrication process for round-house and long-span bridges, these low- carbon, clear-acrylic sprue bars prevent bridgework distortion during investing and to burn-out cleanly without residue. Once the sprue bars are warmed over a burner, they can be bent to the desired shape to fit the arch when cooled. Available in 6" and 8" rods.
