Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Sprue Former by Grobet Sale $3.50 | / SKU 22-580 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Sprue Former Attaches to the model in the mold frame to form the opening in the mold through which the wax is injected. Assures a proper fit on the nozzle of the wax injector. Supplied individually.