Solder on-the-go with Weller's soldering iron and heat tool. 25W-75W butane iron provides continuous no-stop soldering. With quick and easy butane refills, wide range and the ability to convert for hot air/torch , it's perfect for your soldering tasks. A wide range of single flat or double flat tips for different soldering and hot air torch and techniques. Save time and effort by easily swapping tips without the need of a tool. Iron automatically shut offs into a "locked" position, when the cap is closed.Solder on-the-goSkillfully solder anywhere, at any time, with cordless operationReduce downtimeRefill butane in under 20 seconds with the convenient viewing window and quick-recharge designContinuous, no stop solderingButane capacity allows up to 60mins of continuous useConverts to torchEasily converts for hot air/torch Multiple tips for different Run Time: 60minHeat Temperature Max: 454°CWLBU Series