1Suitable for jewelry repair and manufacture, hobbyists, handicrafts, metal sculpture, electronic products repair and manufacture. 2Can adjust the length of the flame by adjusting the air valve on the main body of the torch. 3Quality copper material manufacturing ensuring maximum durability. 4Come with 5pcs different tips, highest welding temperature up to more than 1700. 5Should be used with oxygen and butane (liquefied gas), having long service time.Condition: 100% Brand New Item Type: Torch Welding Gun Material: Copper Size: S Welding Gun + Rope Length: Approx. 2m / 6.6ft 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). Maximum Temperature: 17001 x Welding Gun5 x Welding Tip (Different Size)