Product information "Gas Heating Iron"
A mobile, gas-operated melting tool for the processing of meltable fillers: for melting, molding and color mixing. The temperature is infinitely adjustable. Because of legal regulations, the Gas Heating Iron is supplied in unfilled condition. We recommend to use high-quality pure butane lighter gas from renowned manufacturers.

Technical data:
Length 177 mm 
Weight: 60 g 
Operating time: approx. 3 hours (dependent on setting) 
Maximum temperature: 240°C 
Flint, included in delivery.
https://www.koenignorthamerica.com/media/fe/0e/54/1695627767/439001_GasMelter_Instr_2021-33_WEB.pdf