Airport Windsock Corporation 8" X 36" Orange Windsock and 8" Ball Bearing Frame USA Made Nylon Made in USA 100% USA made, durable urethane coated nylon airport windsock Designed to fit onto an 8" diameter frame The windsock has an 8" opening diameter by 36" length This kit comes with the windsock, our heavy duty ball bearing frame and cable ties to attach the windsock to the frame. The frame is a heavy duty, powder coated steel with double ball bearings.