The Everstart 904W Battery Top Post with Wing Nut replaces corroded terminals for 6-12-volt batteries. Simply remove the existing terminal and attach on your existing battery. These terminals are compatible with 1-6-gauge cables and made of tin plated brass for superior conductivity. The heavy-duty construction may extend the life of your starter and reduces the risk of lead contamination. 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.