The Performance Tool presents the Heavy Duty Jumper Cables - designed for full-size trucks, vans, and SUVs, and built to handle tough jobs. These 20' 4-Gauge 500 AMP cables are equipped with red/black PVC-coated parrot clamps, making it easy to identify the positive and negative clamps and ensuring a safe and effective jump start. The rubber-coated cables are tangle-free, making them easy to use and store, while the heavy-duty copper jaw clamps provide a secure connection to the battery terminals, ensuring reliable performance every time. Designed for all-weather use, with an operating temperature range of -13 to 158 degrees F (-25 to 75 degrees C), these jumper cables are the perfect tool for any emergency situation.