Fast, concentrated flame with temperatures of 4800° F (2649° C). No oxygen tank involved. Special tip design gives the right mixture of atmospheric air and fuel gas. Tips feature slip-in design and seat perfectly by hand. Easily rotated to any position while flame is lit. Solid brass torch body has trouble-free needle valve. Pre-set regulator gives correct pressure and volume of fuel gas. With super fine tip (#50 drill size) and 6′ hose. Uses “B” tank.