Heating Tip, Compatible Fuel Type Natural Gas, Propane, Compatible Torch Series WH200A, Tip Series ST600, Tip Size 313,950 BTU Natural Gas, 455,000 BTU Propane, Tip Design Tube & Head, Compatible Manufacturer Smith, Application Heating, Compatible Torch Grainger Part Number 2CZV7, Compatible Torch Manufacturer Part Number SW1, SW1A, SW1B, WH200, WH200A, Flame Type Multi-Flame, Heating Capacity (Natural Gas) 313,950 BtuH, Heating Capacity (Propylene) 455,000 BtuH WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -