Uniweld KT2A5 Twister®2 Air/Acetylene Self Igniting Kit for "B" Tank. The air/acetylene Twister®2 self igniting swirl combustion tip is for the professional plumber and maintenance repair tradesmen. These tips include the ultimate convenience of a built in spark igniter which eliminates the need for a flint lighter. These tips also include our helical blade technology that produces a stable, high energy efficient flame with a 2700 0F target heat for soldering and brazing copper tubing. Capable of soldering up to 1-1/2" and brazing up to 3/4" copper tubing with supplied tip. Capabilities can be expanded with other tips and accessories purchased separately. Kit Includes: TH6 Torch Handle, T2A-5 Twister®2 Air/Acetylene Self Igniting Quick Connect Tip, RB Acetylene Regulator with protective rubber gauge boot and CGA520 rear inlet connection, H12 12.5 Ft. Acetylene Hose with "A" connection, WO5 Tank Key with Security Chain.