Quality MaterialSpeed Skipping Rope for both kids and adults is made from stable steel wire, with great flexibility, and it can withstand workouts.Adjustable LengthFitness Speed Skipping Jump Rope is 300cm/118.11inch length, with adjustment to adjust rope length as your actual need.Smooth WorkingSpeed Skipping Wire Rope is built in universal bearing, ensuring a smooth and fast rotation without entanglement, giving you an effortless movement.Smart Counting Skipping Rope: 60s countdown, accurate real time counting. Charging for 2 hours, you can jump rope continuously for 10 hours and can be on standby for 45 days.Versatile UseSpeed Jump Rope is great for home gyms, outdoor workouts, MMA training, boxing, aerobic exercises, personal training equipment, etc. Specification: Material: Steel Wire Size Chart: Length: 300cm/118.11inchWire Diameter: 0.2cm/0.08inch, 0.25cm/0.10inch Package Includes: 1 Pair of Handles1 0.2cm Diameter Jump Rope1 0.25cm Diameter Jump Rope1 Wrench1 Storage Pouch1 USB Cable Note: Please allow slightly errors due to manual measurement and different monitors.