The Primatronics 12-10-Gauge Electric Primary Wire Ring Terminal is a reliable and durable terminal designed to provide electrical insulation and reliable performance over a long service life. This terminal is made of heat shrink and meets all the necessary safety and performance standards. The yellow color makes it easy to identify and the 3/8" stud ensures a secure connection. This terminal is perfect for a variety of applications and is sure to provide reliable performance. FleetPride is your First Click in Heavy Duty®.