Home / Flight Shop Gifts / Windsocks / Windsock, 18″ D X 72″ L HD Sock Only Windsock, 18″ D X 72″ L HD Sock Only$50.95 Windsock, 18" D X 72" L HD Sock Only quantity Add to cart SKU: AT1110-HDGO Category: Windsocks Description Description Bright Orange replacement windsock only. 18″ Diameter / 72″ Long. Includes Grommets to attach to most 18″ frames. Heavy Duty Calibrated to 18 Knots.