KESTER part 24-7068-9716 is a high-quality solder wire made of Sn96.5Ag03Cu0.5 alloy, ensuring excellent conductivity and thermal conductivity. This 1 lb spool of solder wire features a 66 core flux for efficient and reliable soldering. With a diameter of 1.00mm (0.040in) and a melting temperature of 285°C, this solder wire is perfect for a wide range of electronic soldering applications. Trust KESTER for all your soldering needs.