Goede Stainless Steel Forge/foundry Burner with 0-30 PSI. regulator Heavy duty stainless steel construction. Works with standard US propane tanks Used to melt metal in excess of 2400 degrees F. Good for single burner application up to 9" diameter chamber. Adjustable air choke, gas expansion chamber, Comes with 0-30 regulator/stainless hose assembly. The O.D of tip of burner is 1-3/8" to fit 1-1/2" or larger openings