It has variable gas flow control and precise application of heat.It can be refilled with lighter gas. Safe and durable. Comfortable to wearMultifunctional, it can be used as a soldering iron, hot air blower and -torch.For welding, melting, hot cutting, welding, shrinking and burning wood (pyrography).Perfect for PVC pipe bending, optical repair, jewelry repair, and welding. (Gas not included)How to use:1. First add gas to the product2. After filling the gas, turn the switch to the ON position. Do not light too large a fire (Adjust the size of the fire after lighting).3. Use a lighter to light it up when you hear the sound.Model Number: Gas Blow Welding TorchWelding Type: Gas TorchType: Welding Torchcolour:PinkMaterial:Metalsize:195 x 15mmPackage Contents:1 x Soldering PenOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.