1、Quality copper material manufacturing ensuring maximum durability. 2、Can adjust the length of the flame by adjusting the air valve on the main body of the torch. 3、Suitable for jewelry repair and manufacture, hobbyists, handicrafts, metal sculpture, electronic products repair and manufacture. 4、Suitable for welding various precision products such as gold, silver, etc. 5、Should be used with oxygen and butane (liquefied gas), having long service time. 1 x Welding Gun1 x Welding Head  Condition: 100% Brand NewItem Type: Torch Welding GunMaterial: CopperSize: L Welding Gun + Rope Length: Approx. 1.95m / 6.4ftMaximum Temperature: 1700℃Application: Suitable for welding various precision products such as gold, silver, K gold, platinum, porpezite, copper, lead-tin alloy and some other metals.Application: used with oxygen and butane (liquefied gas).