... be expanded Six Easy steps:1. deburr inside of tube.2. anneal the tube if necessary(for hard or thickwall ... head. remove expanded tube.CT-300ASwaging/Expanding Kit (CT-300A+CT-107+CT-209)1. manual hydraulic mechanism designed can ... to 42mm O.D. tubing easily with less effort.2. used for soft copper tube,Alumimum tube,Titanium tube, ... quality hardened steel.4. For inch:3/8",1/2",5/8",3/4",7/8",1",1-1/8 ...