ITEM NAME:Mini Gas Welding Torch Oxygen Acetylene For Air Conditioner Refrigerator We L2R2 Mini Gas Welding Torch Oxygen Acetylene For Air.It is for Oxygen & Propane Acetylene Hydrogen Propylene Mapp Gas, Natural Gas, Liquified Gas, Coal Gas. Fuel Gas:Acetylene, Coal Gas. Type:Welding Torch. 1 Shot suction torch. Welding Capacity:0.5-2mm.