Consumer cordless butane soldering iron Does not require cords, batteries or cartridges Patented soldering tool has a catalytic converter Catalytic converter provides a powerful yet safe flameless combustion Refills with butane fuel - Weller ® cat. no. WB1 or WB2 Safety cut-off switch when cap replaced Sturdy plastic cap fits neatly on back of tool during use C12 soldering tip included 3 easily interchangeable screw-in tips are available