Material: Made of ball bearing steel, it is practical and . 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. : Revolutionizing system for molding tubes using heat by friction way more of contact between the flare and the Valve. Usage: Air conditioning installation, open copper tube, so that two copper tube mutual link.(To be installed on hand electric drill) Replace: You can use it to replace the old or brocken one. Package: Our package come with 6pcs copper pipe swaging tool drill bit.It is a good accessory to repair air condition Easy to Install: Perfect for installers, no matter if you are just learning or have been doing it. Colour:yellow Material:Bearing steel Package Contents: 6 * copper pipe swaging tool drill bit(7/8(22.2mm),3/4(19mm),5/8(15.9mm),1/2(12.7mm),3/8(9.5mm),1/4(6.3mm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.