UltraWeld UltraShot features a copper container that is consumed along with the weld metal, which the company says results in an enhanced exothermic connection. The product also includes an electronic ignition system that is fired by a rechargeable battery controller and that allows users to maintain a safe distance from the reaction. In addition, the product features 2-piece mold designs for six different mold families (GS, XO, RE, RO, RP, and RS).

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http://www.harger.com/products/ultraw/us.cfm