Welding Nozzle Compatible Fuel Type Acetylene Tip Series W-1 Compatible Torch Series 100 Drill Size 49 Tip Size 4 Minimum Welding Thickness 1/4 in Maximum Welding Thickness 3/4 in Minimum Brazing Capacity 3/4 in Maximum Brazing Capacity 2 in Compatible Manufacturer Victor Application Brazing Welding Compatible Torch Grainger Part Number 5KJ42 Compatible Torch Manufacturer Part Number 100 FC 100FP 103-01FP WH350 Flame Type Brazing Long Cone Fuel Pressure Rating (Maximum) 7 psig