K-T Industries' 1/4 lb, 1/8", 40/60 Acid Core Solder Wire is designed for strong, reliable bonds in sheet metal, brass, and galvanized metal applications. Its 40/60 tin-to-lead composition provides excellent flow and adhesion, making it ideal for plumbing and metalwork projects that do not require lead-free solder. The acid core ensures efficient cleaning and solid joint formation, delivering consistent performance and durable results for both professional and DIY applications. | K-T Industries 1/4lb, 1/8", 40/60 Acid Core Solder Wire