The DIVERSITECH Nitrogen Purge Tool is an essential piece of welding tools and accessories, designed to make purging copper pipes with nitrogen quick and efficient. With a simple turn of the dial, it seamlessly switches to a low flow of nitrogen, ideal for properly brazing copper. This durable, aluminum DIVERSITECH Nitrogen Purge Tool is built to last and can easily be tossed into your tool bag when you're done, making it a must-have for professionals using welding tools and accessories in their projects.