Gowiss Jump Rope - Fast Speed & Adjustable Steel Wire Skipping Ropes - Includes Carrying Bag Spare Cable & Screw Kit - Double Unders,Boxing,Cross Training Fitness and Cardio Professional Top-speed Jump Rope: Built-in high-end advanced steel bearings built for speed jumping. Bearings in both handles can spin quickly and smoothly, which do not intertwine or knot and always swing steadily during movement. Weve included additional end caps and cable stoppers in case you ever lose pieces, including a replacement cable and a free carrying bag. You're getting 2 for the price of 1! Freely Adjustable Rope Length: Being equipped with oversized screws allow the jump rope to be quickly and conveniently adjusted to the desired length according to your height, so the jump rope is suitable for men, women and children. If you have any problems, we're happy to help. Comfortable Grip: Ergonomically designed plastic handles are anti-slip and comfortable to grip, thus reducing hand fatigue during exercise and making the jump rope practical and more secure.This is a High Quality Jump Rope for MMA Training, Mastering Double Under, Bodybuilding, Boxing, Cardio Exercises, Cross Fit, Personal Training Equipment. Outstanding Durability: The jump rope is made of high strength wire rope wrapped with TPU coating, so it is pliable, tough, wear-resistant and anti-aging of small resistance and a long service life. It has been put through the most stringent tests. You can use it everyday without worrying about any quality or safety issues occurring. Lifetime Guarantee: If you have any questions or you are not 100% satisfied with the jump rope that you bought, we will provide you with returning and exchange services.