EXTREME DUTY BOOSTER CABLES 900A rating Extreme heavy-duty jaw design for top and side terminal batteries Copper-clad aluminum cable for best conductivity and power transfer Flexible to -40˚F Color-coded cables for easy polarity identification Heavy-duty spring provides vise-like gripping power Zinc-plated steel clamps protect against rust and corrosion Pressure crimped connections provide low resistance and best performance Allow hood-to hood, side-to-side, or front-to-back hookup Contents: (1) Set BC1 booster cables