The gas adjustment wheel provides an adjustable, long blue torch flame with temperatures up to 2,500F/1300C. Self-igniting piezoelectric ignition is easy to start and eliminates the need for lighter or matches. "Hands-free" slide lock for continuous use and instant off operation. Ergonomic handle design ensures a non-slip grip. Refill with Forney 54822 Butane for best performance. Use to heat parts, ignite materials, melt plastic, shrink tubing, solder & desolder, terminate specialty connectors, and more.