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.