The Scorcher® is a 500,000 BTU Propane gas flame tool for use on farms and ranches; at home and business; in construction, maintenance and factories; on railways; in parks and on highways. The Scorcher® features an easy to operate brass control knob and will hook up to a standard 20lb. Bar-B-Que grill type propane tank and a P.O.L. safety valve that prevents excess flow of LP gas if the hose is cut or melted.