Upgraded version of the drive-off aid. Where Used: Assist removal of all four-wheeled vehicles from platform after airdrop. Data: A fabric track constructed of Type X webbing that is 1 3/4 inch wide sewn in a ladder-type configuration. Each track is 20 feet long and 19.5 inches wide. It is attached to the Type V platform deck rings using a Type V tiedown clevis or Type X webbing (NOT INCLUDED). JUST WEBBING LADDER. NSN: 1670-00-431-8486. New. Govt Issue. Great for ladder for uses in swing sets, obstacle courses, etc. Contains 1 ladder.