can change the flame length by adjusting oxygen and for on the main body of to meet his / her exact requirements. Welding is used for jewelry repair and making, enthusiasts, , metal sculptures, glass blowing, electronic products repair and manufacturing. The contained tips provide a variety of lengths and heat output ranges for of different metals and thickness. The hose can to any standard pressure regulator. Up to 6000 degrees., Manufacturer: XuQiZZpp