DuraSteel Jet Burner For Chinese Wok Range, 23 Copper Tips, Propane Gas Unit, Cast Iron Body *** Please adjust your propane tank knob or add a regulator to control the fire level *** OD 8-5/8" Dia 1/2 Gas Pipe Inlet 100,000BTU Round Shape 23 Tips Jet Burner. Perfect use for wok range, stock pot range, etc