Torch Handle Compatible Fuel Type Acetylene Natural Gas Propane Propylene Torch Series WH200 Hose Fitting Size B Inlet Connection Size 9/16 In.-18 Maximum Welding Thickness 3 in Overall Length 7 1/2 in Inlet Connection Gender Male Inlet Thread Direction Left Hand Inlet Connection Type UNF Weight 16.16 oz Torch Style Smith Compatible Heating Tip Series ST600 ST800 Compatible Welding and Brazing Tip Series SW200 SW400