Road Power 923-2 Top Post Battery Terminal Bolts and Nuts, 2-Pack, Chrome, 6 and 12-Volt. Plated steel. Industry approvals: SAE standards. Packaged in retail or bulk styles. 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.