Associated Equipment Booster Cable measures 20' long and 1 AWG, with 800-amp, insulated safety clamps included. Associated has designed this professional-quality, extra-heavy-duty booster cable with safety and convenience in mind to ensure quick and efficient connections, feauturing "Flexi-Spring" cable guards and 100% copper jaws (83, 600). This made-in-the-USA, extra-heavy-duty-rated cable (SAE J 1494) also features a protective T-94 jacket, flexible to -40 F. (Model pictured with side adapters.)