Hot Max 24002 3/32-Inch by 36-Inch Mild Steel Brazing Rod, 1# General purpose copper coated mild steel brazing rod for all low carbon steels AWS A52 CLASS R46 Diameter 3/32-Inch Spark arrestor muffler, single phase 60 Hz output, TCI manual ignition, electric key start (battery included) and all power outlets are protected with circuit breakers Length: 36-Inch