Buy Jump Ropes Triple Unders Jump Rope A favorite at CrossFit, Garage Gym, Rogue Fitness and other major fitness centers and fitness retailers Unbelievably fast; original design with 2 year guarantee on plastic handles Unique with its ability to easily change lengths; high-quality USA made cable Most used rope for double-unders and speed jumping; assembled in USA 8 colors available Cable comes in 10 foot length; tall enough for jumpers 6' 6" (Using proper form)