4 Gauge Braided Battery Ground Straps have a tin-plated copper construction and are designed to fit up to a 3/8 inch stud. This product has been identified for its ability to maximize protection against corrosion, especially in farm, commercial vehicles, and off-road applications. Prevent system failure with the braided battery ground strap that is designed with a greater surface area and flexibility to withstand and support places with increased mechanical stress.