Welding Tip W1 #2 Compatible Fuel Type Acetylene Tip Series W-1 Tip Size 2 Minimum Welding Thickness 1/16 in Maximum Welding Thickness 1/8 in Compatible Manufacturer Uniweld Compatible Tip Mixer Manufacturer Model Number UM13-2 Application Brazing Heating Soldering Welding Maximum Fuel Flow Rate 10 scfh Thread Size 5/16 In.-27