Nacelle Evac and Wind Turbine Rescue Kit for wind farm operators using a controlled descent device.?Function: Emergency evacuation and rescue kit for workers building and maintaning wind turbines.?Features: numbered security seal and is enclosed in a clear heat sealed bag.?: excludes harness and helmet.?: includes Rope, Controlled Descent Device (CDD), pulleys, karabiners, knife, storage bag, slings, whistle.