1、EXQUISITE DESIGN: The knurled surface of the handle enhances the grip, and the head of the welding gun can rotate 360 °, which can be welded at multiple angles to reduce the difficulty of work and make it easier to enter difficult welding positions. 2、EASY TO USE: This TIG welding torch head is light in weight, single handed operation, reducing operator fatigue, and easy to connect and replace. 3、FAST COOLING: The tail of the handle is equipped with a water cable interface with an inner diameter of 8 mm (0.315 inches), as well as a water pipe and air pipe interface. Both air cooling and water cooling, greatly improves the working efficiency. 4、EXCELLENT PERFORMANCE: Features high temperature resistance, flame retardant, good sealing, no leakage, and good performance. 5、IDEAL REPLACEMENT: Wonderful replacement for the old or broken one, fine workmanship, attention to details, helps improve the performance of the welding gun.