Philmore's 50-4002 rosin activated solder paste is a professional-grade solution for your soldering needs. This 50-gram tub contains pre-mixed flux and solder particles that make electrical connections easier and more reliable. The rosin-activated formula helps clean metal surfaces while soldering, ensuring better conductivity and stronger bonds. Perfect for both electronics repair and new circuit assembly, this paste can be applied precisely where needed, reducing waste and improving workflow efficiency. The convenient small tub packaging keeps the paste fresh and ready to use for multiple projects. Ideal for hobbyists, technicians, and professional electronics workers who need consistent, dependable results in their soldering work. This versatile solder paste works well on various metals commonly used in electrical and electronic applications.