Technologically advanced, professionally machine-wound, commercial-grade steel rope with durable clear PVC coated cover offers extreme speed, precision and longevity during training for every athlete from weekend warrior to world champion. Super sleek, anatomically correct grips are contoured to deliver more intense, winning results every time. The sleek steel cable ropes are the rage in speed rope training. The thinner steel cable rope will rotate at a faster rotation due to less resistance and superior technology. Go with the FDBRO Cross fit Jump Rope and take your training to the highest level!