Speed Jump Rope Cable - Lightweight Adjustable Cable Rope for Aerobic Fitness - Exercise and Sports training - Excellent for Crossfit Workouts - Improve Your Health, Weight and Fitness. learn or improve your Double and Triple unders Completely Adjustable to Fit Any Height Excellent for Both Beginners and Professional Athletes Super Speed Jump Rope, Original Design with 2 year No Hassle Money Back Guarantee Top Notch Quality to Help Maintain or Improve Your Health and Fitness