Garage Fit Jump Ropes For Men Or Women - Adjustable Wire Cable Speed Rope For Double Unders and Skipping Rope - Best For Cross Fitness Training WOD's, Boxing, MMA, Exercise and Fitness 100% FULL LIFETIME WARRANTY. *Please DO NOT use on Concrete - Smooth Surfaces Only* You really can't go wrong buying this rope. You set yourself up, or someone you are buying for, to have lifetime back-up if anything goes wrong with this rope. It really is as easy as sending us an email and yes we really do replace the rope. You have nothing to lose but a little weight GETS BODIES ACTIVE AND STAYING FIT. If you are planning to start working out and jumping rope yourself or you are looking at this as a gift for someone in your life that you care about, nothing can be better than this rope STEEL DUAL CORE BALL BEARINGS are used in the handles for a smooth and consistent spin to the rope. See the image to the left to see what a Dual Core Ball Bearing is. This rope is built to last a long time. THIS ROPE IS A GREAT GIFT IDEA FOR CHILDREN AND TEENS TOO. Jump Rope Cable is the new fastest rope around. Neither you nor the person you are buying this for, if it's a gift, will not be left to drift not knowing how to properly wire snip this rope to their exact size. We have a video provided for free that trains on the correct way to jump to quickly master the super fast double under jumps. All ages and all sizes can use this rope