Pro-150K multi-function soldering tool Solder-It's PRO-150K Butane-Powered Soldering Iron/Torch Multi-Function Tools has a refillable liquid energy cell and produces a 2,400 degrees F blue flame. The cordless tool is designed to function in any location. The kit includes two LEC-8 fuel cells, a 1.6 mm conical tip; 3.2 mm chisel tip, heat blower, heat reflector, spare orifice, tip cleaning sponge and tube of solder.