Feature:1. Exclusively developed professional wateroxygen flame machine antitempering safety device, safe and effective to use.2. High temperature, fine fire, carbonfree, environmentally friendly hydrogen and oxygen flame.3. Stainless steel electrolyzer is extremely reliable and durable. Long service time.4. Thread compression designs, reliable pressure resistance, no tube off.5. Suitable for welding various precision products such as gold, silver, etc.Specification:Condition: 100% Brand NewItem Type: Gas Welding TorchMaterial: Metal + Brass Function: Precious metal jewelry necklace welding, enameled wire lead welding, laboratory hydrogen oxygen flame. It can be used for efficient polishing, capillary glass tube sealing, etc.Installation method: suitable for chemical-resistant soft hose, generally connected to the hose behind the water-hydrogen flame gun, 1.5-2MM away from the machine air outlet, and 0.3-1M away from the gun.Precautions for use:The nozzle of the spray gun must be tightened to prevent air leakage.Length: Approx. 24cm / 9.4in.Package List:1 x Gas Welding Torch1 x Accessory Head