The Everstart LF15-4-77 4-Gauge Top Post Battery Cable is designed for use with 6-12-volt batteries. The terminal end is constructed of tin-plated brass for superior conductivity and the cable is made of 100-percent copper. The materials used for this cable eliminate the dangers of lead contamination and are RoHS compliant for added safety. The Everstart LF15-4-77 4-Gauge Top Post Battery Cable is black. Coleman Cable Inc. is a leading manufacturer and innovator of electrical and electronic wire and cable products for the security sound telecommunications electrical construction retail commercial industrial irrigation HVAC and automotive markets. Coleman Cable Inc. offers a family of leading brands such as Designers Edge Fire Shield and Woods.