Benefit driven description for your care and craft needs Fit for jewelry and crafts, metal sculpture and electronics and manufacturing Compatible with most common oxygen and fuel gases such as propane, butane, liquefied gas Suitable for welding all kinds of precision products such as jewelry making, gold, silver, palladium, copper, lead, tin alloy welding etc Safety design of the valve prevents flame from backflow to the gas tank and protects the nozzle from burning Use scenarios Jewelry and precision soldering: ideal for repairing rings, chains, clasps, and other small components, and for precision welding on gold, silver, palladium and related alloys Jewelry making and metal work: supports crafting and joining copper, tin alloys and related metals in small scale jewelry and art projects Electronics and micro welding: suitable for delicate welding tasks in electronics and manufacturing where controlled heat is required Key attributes Function: provides controlled flame for precise welding and soldering on delicate pieces Compatibility: designed to work with oxygen and fuel gases including propane, butane, and liquefied gas Precision capability: suitable for precision welding of jewelry and small metal parts Safety: valve design minimizes backflow risk and protects the nozzle from heat damage