"The Bernzomatic Aluminum Brazing and Welding Rods are easy-to-use and are ideal for multiple tasks including soldering or household repairs such as aluminum windows, doors, gutters and siding, and jobsite or hobby projects. With a low working temperature of 720 to 750 degrees Fahrenheit, these rods can also be used to build-up aluminum joints without distortion, discoloration, or loss of strength. Tensile strength of 33,000 psi. Includes two 12 inch aluminum brazing and welding rods. These rods work best with the Bernzomatic Brazing Torch Kit or DuraCast 8000, and Bernzomatic MAP-Pro fuel. Model AL3 About Bernzomatic: Bernzomatic® has been leading the torch and fuel tools category for over a century. Since Otto Bernz founded the brand in 1876, our commitment to innovation and quality craftsmanship is still at the core of our products. Based in Columbus, Ohio, we take pride in our US-based customer service team and our on-site engineers, who design our products with Tradespeople, DIYers, and Weekend Warriors needs in mind, incorporating the latest advancements in technology and safety measures. We guarantee that our products meet or exceed all US regulatory and safety standards, ensuring the safety of you and your surroundings. Whether you’re constructing, fixing, making, creating, or exploring, you can trust Bernzomatic to provide safe, durable, high-performing products."