"The Bernzomatic Bronze Flux-Coated Brazing and Welding Rods are ideal for everyday repairs involving steel, cast iron and copper metals. These rods also be used on galvanized iron, brass, stainless and chrome-plated materials, or any combination. They provide a strong corrosion resistance and are intended for hard soldering, brazing and welding with a tensile strength of 50,000 to 60,000 psi, and a working temperature of 1,595 to 1,630 degrees Fahrenheit. Includes four 12 inch rods. These brazing rods require an oxygen-fuel torch, such as the Bernzomatic Brazing Torch Kit. Model WB5 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."