For use with DEWALT® dce450 copper swage tool to make expansions in refrigeration-type soft copper tubing. The DEWALT® DCE450034 3/4" swage head features an automatic rotation for even expansions suitable for brazing in hvacr applications. 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 (additio