YUNMAI Skipping Rope comes standard with double wire ropes, thin rope for racing, thick rope for fitness. Double steel wires and bearingYunmai selected double steel wires for the Yunmai Sport Skipping Rope to adjust for different exercise purposes, thick rope for fitness and thin rope for speed. The handle is equipped with a professional 10,000 RPM carbon steel bearing, which can turn smoothly and effectively prevent the rope from winding rope effectively, while taking into account the using life usage and quality of the product. Ergonomic handleThere is professional hand glue on the outside. Soft, comfortable, sweat absorption and anti-slips. More Yunmai newest products,just visit this link: Yunmai Scales