NAK Fitness Speed Jump Rope with super-fast high-grade metal bearings, best for Boxing, MMA and endurance fitness training with this speed cable rope. TRAIN BETTER - We want to help you get better at jumping rope by providing the best quality, fastest bearings jump rope to help you improve your fitness. We are not like the cheap plastic bearings speed ropes that don't spin nearly as quickly. If you want to maximize efficiency of movement and get the best work out possible, then this is your rope. PREMIUM QUALITY - The high grade metal bearings win over cheap plastic ball bearings in other jump ropes, for increased number of revolutions per minute giving the fastest spin available. FULLY ADJUSTABLE LIGHTWEIGHT 10 FOOT CABLE accomodates all heights, sizes and ages. Jump rope cable won't kink or twist. Comes with a portable nylon bag. WORRY FREE ORDERING AND SATISFACTION GUARANTEED - we are positive that you will love these speed ropes, but for any reason you are not happy with your product, we will refund your money. IMPROVE ENDURANCE SPEED AND STRENGTH for Cross Fitness training, WOD, MMA, Boxing, Speed Jump Roping, Exercise and Fitness, and Endurance Training.