500,000 btu, uni-flame weed burner & ice melter, features a brass control knob that will not lock or freeze during use, all steel torch handle & torch head construction, 10' hose, 3.05m, with p.o.l. Safety valve & universal cga-510 lp connection, ul listed, striker included for proper ignition, practical uses include burning weeds, melting ice, repair asphalt, connects to standard 20 lb barbecue grill type liquid propane tank.