Road Power 903C-2 Color Coded Terminals, 2-Pack, Red/Black, 6 and 12-Volt Fits 6 through 1 gauge cabling Industry approvals: RoHs compliant Constructed of magnesium-aluminum alloy Intended use for: top post, side post adapters, charging posts, truck, and marine battery terminals Includes steel plated bolts, nuts, clamp plate, and anti-corrosion fiber washers