Solder-It continues its leadership in butane tool technology with the introduction of the Liquid Energy Cell (LEC), This 21st century innovation in butane power brings the safest most portable and most reliable patented fuel source for heat tools to the marketplace, Now powering the latest Pro-Iroda tools including Pro-150 and Pro-180 multi-function tools as well as TG-600 and TG-800 glue guns, LEC technology provides THE benchmark for the butane power industry, SKU: SOL031