This lead-free soldering kit includes V5B45 alloy soldering tin along with a 42-gram tube of mechanic soldering flux paste. The soldering tin has a melting point of 138°C, making it suitable for low-temperature soldering applications. The accompanying flux paste is designed to enhance soldering performance by promoting better adhesion and conductivity. This kit is ideal for various electronic and electrical soldering projects, providing a convenient and efficient solution for both professional and DIY applications.