For use with DEWALT DCE450 Copper Swage Tool to make expansions in refrigeration-type soft copper tubing. The DEWALT DCE450014 1/4" Swage Head features an automatic rotation for even expansions suitable for brazing in HVACR applications. Reduce instances of cracking in small diameter tubing with a patent-pending two-stage adjustable collar that allows for partial expansion in the first position and a full expansion in the second position. Maximize durability with a steel body and nickel plated jaws designed to withstand tough environments. The full line of DEWALT Copper Swage Heads size 1/4" through 1-5/8" are the only swage heads designed for use with DEWALT DCE450 Copper Swage Tool (additional expansion heads and tool sold separately).