Weller Cordless Butane Soldering Iron & Heat Tool Kit 25W-75WThe Weller Cordless Butane Soldering Iron & Heat Tool provides continuous non stop soldering. With quick and easy butane refills, refill in under 20 seconds. One refill provides up to 60 minutes of continuous use. For added safety, the iron automatically shuts off into a 'locked' position when the cap is closed. Save time and effort by easily swapping tips without the need of a tool. It is easily converted for hot air torch applications.