The Silverline 456956 jump leads are a reliable and powerful option to help you start your vehicle. With a capacity of 600A, these leads provide the necessary power to start car engines and other vehicles. They are durable and easy to use, making them an essential tool for any driver in case of an emergency. With the Silverline 456956 jump leads, you will be prepared to face any situation of a discharged battery and get back on the road quickly.