DEWALT's 20V MAX Copper Swage Tool (DCE450) is a soft copper expansion tool for HVACR professionals, efficiently producing even expansions in seconds. Designed to swage 1/4 IN. to 1-5/8 IN. soft and annealed copper, the swage tool is designed to increase efficiency of HVACR installations by reducing the number of copper fittings and brazed joints needed to finish the job. The tool features auto rotating expansion heads that produce swages suitable for brazing as well as a steel body and nickel-plated steel jaws for durability. The DCE450D1 kit comes with six expansions heads organized in a durable blow molded kitbox.