Epitomie Fitness Cable For Jump Rope - 2 x Stainless Steel Ultra Speed Replacement Jump Rope Cable with Nylon Polymer Coating for Maximum Speed & Durability MAXIMUM ROTATION SPEED - Coated with a Nylon Polymer to reduce friction through the air, these jump rope cables will give you the fastest cable rotations available today. Double unders, no problems. Make sure you try triple unders. ADDED VALUE - In the pack, you will receive 2 x jump rope cables in red and silver color, plus 4 x rubber cable ends as well as a set of 2 x cable screws. This is the best value pack on Amazon. FULLY ADJUSTABLE & COMPATIBLE - Designed to be compatible with most jump ropes that are fitted with a ball bearing system, the cables are easy to adjust and do not require screws drivers to fit. FULL PROTECTION - The Nylon Polymer coating will also provide protection for not only the cable but your shins and feet as well. With the speed you will reach, protection from whipping is reduced. ULTRA DURABLE STAINLESS STEEL CABLE - Made from stainless steel, the cable and screws are durable and will last the most rigorous jump rope regimes. Perfect for fitness training at home or in the gym, CrossFit, boxing, MMA and other sports.