The PrimaTronics Heat Shrink Ring Terminal is the perfect solution for protecting splices from water, corrosion, salt and moisture. This tin-plated copper ring terminal provides superior protection against added vibration in rugged environments. It is a professional-grade electrical and automotive product that is designed to provide a complete selection of reliable and durable products. With its heat shrink technology, this ring terminal ensures a secure and reliable connection that will last longer. FleetPride is your First Click in Heavy Duty®.