The Bernzomatic DuraCast 4000 Torch is the ultimate tool for precision heating and soldering tasks. Known in the industry as model TS4000, the DuraCast 4000 Torch features an instant on/off trigger, allowing for effortless ignition and quick shut-off, ensuring maximum safety and convenience during operation. A powerful swirl flame delivers intense heat for efficient soldering, brazing, and tasks that require high heat output. Crafted with durability in mind, the DuraCast 4000 Torch is built to withstand demanding work environments. Its rugged construction and ergonomic design ensure a comfortable grip and long-lasting reliability, making it an ideal choice for professionals and DIY enthusiasts alike. The torch features a flame lock for continuous operation. With its versatility and superior performance, this Bernzomatic DuraCast 4000 Torch with instant on/off is the perfect companion for a variety of tasks, including plumbing repairs, HVAC work, jewelry making, and automotive repairs.