Features:1.Revolutionizing system for molding tubes using heat by friction way more surface of between the flare and the Valv e.2.When air conditioning is installed,expand copper tube,make two copper tube mutual link. To be installed on hand electric drill.3.78,34,58,12,38,14,6 different sizes per set of your choice to meet your needs.4.The flares will always have the same size and will fit perfectly The swages present a perfect depth and a tight fitting,that will make the brazing easier,reducing the fatigue stress over the coupling area.5.Perfect for installers,no matter if you are just learning or have been doing it.Notice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3mm deviation due to manual measurement Material: stainless steelSpecifications: 78 22.2mm,34 19mm,58 15.9mm,12 12.7mm,38 9.5mm,14 6.3mmHeight: 4.5cmPackage weight: 150gPacking size: 11.5*8*2.5cmPackage List:6 x Air Conditioner Copper Pipe