Metal Micro Torch Welding Tool Kit mini Gas Little Torch Oxygen Acetylene Propane Welding Soldering Tool Welding Soldering Gun Name: American oxygen welding Material: grab nozzle is brass Specification: one Length: 205cm Weight: 360g Size: 220 * 150 * 5mm Specifications: 1. Five gun heads: used with oxygen and butane (liquefied gas), equipped with five gun heads, each with different size. According to different products, different gun heads can be configured to use a maximum welding temperature of more than 1700 degrees. 2. Welding gun joint: material (copper nozzle): red and green wires are connected to two gases at the same time, and the gas and oxygen used in one gas are used together to reach high temperature fire welding gun (the total length of the wire is 2 meters) 3. Oxygen welding gun: American type oxygen welding gun is equipped with special domestic oxygen and butane (liquefied gas) joint directly linked to the welding gun joint. The maximum welding temperature can reach 1700 degrees 4. Gun head display: each gun head is different in size and is suitable for welding various precision products, such as gold/silver/gold platinum/palladium/copper/lead-tin alloy and some handicraft welding and other metals Package Included: 1 * gas welding gun 5 * gun head