Road Power 903-10 Top Post Battery Terminal, 10-Pack, Chrome, 6 and 12-Volt. Fits 6 through 2 gauge cabling. Industry approvals: SAE standards. Constructed of magnesium-aluminum alloy. Intended use for: top post, side post, truck, and marine battery terminals. Side post adapters, charging posts, and several bolt combinations available. The Road Power (R) brand is a registered trademark of Coleman Cable Inc.