This speed rope from SKLZ takes performance and endurance training to another level. The steel rod and dual ball bearing system provides a super fast and smooth rotation giving you the ability to add intensity to your workout and build endurance. Percision tuning makes for the most accurate spin possible and gives you all the speed you need for double under jumps. Slim, lightweight and comfortable handles have index finger molds to make the handle feel like a part of your hand. The handles connect to a cord that is coated, reducing the risk of kinking. The rope length is completely customizable and right-angle mounted, making your wrist and arm aligned in the proper position while training.