The Performance Tool W1669 Jumper Cables are the ultimate solution for heavy-duty jump starting of tractors, semis, buses, and RVs. Featuring red/black PVC-coated insulated clamps, these cables make it easy to identify the positive and negative cables for a quick and safe jump start. The rubber coated cables are designed to resist tangling and provide a smooth and easy connection to the battery terminals. With high tension parrot style clamps, these cables ensure a tight and secure connection to the battery, minimizing the risk of sparks and short circuits. Whether it's hot or cold, rain or shine, these jumper cables are designed to withstand extreme temperatures, with an operating range of -13 to 158 degrees F (-25 to 70 degrees C), making them suitable for use in all weather conditions. Get these commercial duty jumper cables for a reliable and efficient jump start every time.