The Primatronics 12-10-Gauge Electric Primary Wire Ring Terminal is the perfect solution for your electrical wiring needs. This terminal is made of heat shrink material that provides electrical insulation to the terminal, ensuring reliable performance over a long service life. It meets all the necessary safety and performance standards and its yellow color makes it easy to identify. This terminal is perfect for a variety of applications. FleetPride is your First Click in Heavy Duty®.