The TECTRAN 4 gauge 3/8" stud flared copper lug is constructed from durable copper, ensuring excellent electrical conductivity. The flared design facilitates easy cable insertion, enhancing connection reliability. With a stud size that provides a secure fit, it is compatible with various stud terminals. The snug fit minimizes the risk of disconnection under vibration. This copper lug is designed to meet industry standards, ensuring compatibility and performance in electrical applications. It is suitable for those seeking a dependable solution for their electrical connection needs.