BernzOmatic Basic Use UL2317 Brass Pencil Flame Propane Torch Head Manual start (light with a Bernzomatic Spark Lighter, sold separately) Basic pencil flame for small diameter soldering, thawing, melting and heat application Use only with propane fuel, such as the Bernzomatic 14.1 oz. Propane Hand Torch Cylinder Brass construction for durability Flame control valve easily sizes flame and extinguishes when finished