High Heat Torch Kit, For Fast Work Times, Designed For A Wide Range Of Jobs Including Soldering Large Diameter Copper Pipes, Brazing & Heat Treating, Optimized Swirl Flame Burns Hot & Efficiently For Maximum Heat Output & Fast Soldering Times, Auto Start/Stop Ignition Lights & Extinguishes With The Push Of A Button, While A Run Lock Button Keeps The Torch Lit For Continuous Use, Kit Includes 14.1 OZ Map Pro-Filled Cylinder.