The Body-Solid Tools Cable Speed Rope is designed with frictionless rotation for extreme cardio workouts. Speed ropes are great for cardio workouts and help increase agility and coordination. The Body-Solid Tools Cable Speed Rope is adjustable up to 9 6" to fit any size user. This durable rope uses sealed ball bearings for unsurpassed rotation. The comfortable handle allows you to perform double and triple-unders unlike any other jump rope on the market.