The PrimaTronics 12-10-Gauge Butt Connector is the perfect solution for reliable and secure electrical connections. The crimp provides mechanical reliability and holds wires in place for soldering, while the solder flows into the window to solder the wire to the connector. The solder provides maximum tensile strength and conductivity and the connector completely seals exposed wires and protects them against moisture and corrosion. This connector meets or exceeds OEM specifications and complies with RoHS standards, making it an excellent choice for any electrical project. FleetPride is your First Click in Heavy Duty®.