10-Pack 1/0 gauge 1/2-inch opening crimp ring terminals are gold plated connectors that allow you to attach your 1/0 gauge wires to your battery or amplifier with maximum conductivity and corrosion resistance. They come with colored rubber boots for polarity identification and heat shrink tubing for easy installation and extra insulation and protection. You get 10 terminals in one package, including 5 positive and 5 negative connectors.