The ERICO INC Jumper is a swaged 4/0 copper conductor, measuring 24 inches in length, and comes with shrink tubing for enhanced protection. This jumper is engineered for high conductivity and is perfect for use in electrical systems where reliable connections are critical. The swaged design ensures a strong, permanent connection, while the included shrink tubing provides insulation and protection against environmental factors. This product is compliant with industry standards, making it suitable for various applications in electrical installations.