The Heavy Duty Battery Jumper Cable Clamps are a set of 4 with a capacity of 1100A, ensuring high performance and reliability. Made by a branded manufacturer, these insulated clamps are designed for safety and efficiency. With a compact size of 10.63x10.2x2.09 inches and a weight of 1.61 pounds, these cable clamps are easy to handle and transport, making them a valuable addition to any automotive tool collection. Made in the United States, these jumper cable clamps offer quality and durability for all your battery testing and charging needs.