Uniweld 70005 Swage Punch Kit comes with 5 separate swage punches for 1/4", 5/16", 3/8", 1/2", 5/8" O.D. copper tubing all kept in a vinyl pouch. The swage punch is designed to enlarge one end of copper tubing to make a connection without a fitting. Swaging method means one solder joint, not two, so it will take half the soldering or brazing time that fittings require.
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