Ozone SK99 quality Dyneema 5m extension lines. Four line set. 2 x 500 kg (1100 lbs) at 2.2mm thick and 2 x 300 kg (660 lbs) at .9mm thick, all at 5 metres long. New Ozone diamond braided lines, both front lines are Grey/black and the steering lines are red/grey and Blue/grey as can be seen in the photo. Used to extend your flying lines by 5 metres.