Do it 1/2 Lb. Rosin 60% Tin, 40% Lead Solder is designed for general-purpose use, making it i for a variety of repair tasks such as fixing gutters, auto radiators, and filling metal seams. This solder a reliable combination of 60% tin and 40% lead, providing strong bonding for metal components. It is important to note that this solder is not suitable for plumbing or electrical repairs, where specialized solder types with different compositions are required. follow safety guidelines and choose the right solder for your specific project to ensure optimal results and safety. Model Number: 53055