Associated Equipment Booster Cable measures 12' long and 4 AWG, with 400-amp, insulated safety clamps included. Associated has designed this professional-quality, heavy-duty booster cable with safety and convenience in mind to ensure quick and efficient connections, feauturing 100% copper jaws (32, 900). This made-in-the-USA, heavy-duty-rated cable (SAE J 1494) comes without side adapters or cable guards but does feature a protective T-94 jacket, flexible to -40 F. (Model pictured with side adapters and cable guards.)