The PrimaTronics 22-18-Gauge Heat Shrink 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 heat shrink completely seals exposed wires and protects them against moisture and corrosion. This product meets or exceeds OEM specifications and complies with RoHS standards. FleetPride is your First Click in Heavy Duty®.