Product Description" "Description:5pcs Swaging Tool Set A/C Refrigeration Tubing Tool CT-193Introduction: Swaging Tools are used as an economical method for joining copper tubing by eliminating the need for a coupling. Once the swage has been made- the tubes can be easily sweated together with solder.The hex-shaped body prevents the tool from rolling and limits the potential for binding in the tube. Made from heat-treated alloy steel for maximum durability.Specification:Material: 45# SteelModel: CT-193Swages: 1/4"- 5/16″- 3/8″- 1/2″- 5/8″ O.D.TubingColor: SilverWeight: 600GPackage included:1x Set (5pcs) Swaging Tool5/8: 5/16: 1/2: 3/8: 1/4: