TIG Burner Head Assembly Portable High Temperature Resistant Gas Welding Gun Air And Water Cooling Parts 300A 300RG Technical data: Item Type: TIG Burner Head Model: 300RG Material: Brass and phenolic plastic Type: Burner head List of packages: 1 x TIG torch head Characteristics: 1, non-slip, rotating design: TIG torch head is made of high temperature resistant and flame retardant material, which ensures durability, 300A welding current, durability and durability, handle surface made of kcarel increases grip strength, improves performance and reduces fatigue during use 2. EASY TO HOLD: This TIG torch head is lightweight, completely supports one-handed operation, reduces operator fatigue, and can be easily connected and replaced. 3, UNIQUE AND EFFICIENT: The rotating argon welding torch head is well made and perfectly replaces the old model, saving working time. The rear handle has a water cable connector with an inner diameter of 8,5 mm (0,335 inches) and a gas pipe connector with a diameter of 6 mm (0,236 inches) and a water pipe connector,with air and water cooling mode, which greatly improves the working efficiency 4,PORTABLE, RESISTANT TO HIGH TEMPERATURES:This rotary burner head do argon welding is small,easy do carry and store,easy to use, resistant to high temperatures, ma good sealing,does not leak 5, PRACTICAL AND USEFUL:do argon arc welding tools are designed do applications,in which welding of hard pipes is almost impossible using conventional welding torches