●It can be used for refrigerator pipe brazing/welding, jewelry soldering, heating, etc ●Suitable Plating Thickness: 2-6mm ●The gas connector is about OD 8.6mm (0.34”). Overall Length: 370mm (14.56") ●2 Different Nozzles for different welding gas: Acetylene Version: Acetylene Nozzle is for Oxygen & Acetylene. Propane Version: Propane Nozzle is for Oxygen & Propane Propylene Mapp Gas, Natural Gas, Liquified Gas, Coal Gas ●2 Offers: A.1pcs Torch (1pcs Nozzle). B.5pcs Nozzles