The PrimaTronics 12-10-Gauge Heat Shrink Butt Connector is the perfect solution for electrical wiring needs. They are designed to provide a secure and reliable connection between two wires. The heat shrinkable design ensures a tight fit and complete insulation of the connection. The connectors are made from high-quality materials, meet or exceed OEM specifications and comply with RoHS standards. The connectors are designed to provide mechanical reliability for excellent conductivity and completely seal out exposed wires, protecting them against moisture and corrosion. FleetPride is your First Click in Heavy Duty®.