DieHard Booster Cables feature pressure-crimped connections for low resistance and the best performance. The contoured, copper-plated jaws are designed for use with top- or side-terminal batteries for best conductivity and power transfer. The terminal-biting clamp design features a heavy-duty spring for vise-like hold. Vinyl coating protects against rust and corrosion. The copper-clad aluminum cable is color-coded for easy polarity identification. The DH1210 is a 150A Rating 10 gauge 12' long booster cable.