This package includes four clips made of high-quality materials such as pure copper, PAC, and alloy. The clips come in two colors, red and black, and are designed to provide optimal contact to their copper teeth. Each clip also features an insulation handle for convenient use and handling. These clips are perfect for use in cars, SUVs, vans, trucks, and even large agricultural and commercial vehicles. Please keep in mind that this package includes only the four clips; cables are not included.