Home / Flight Shop Gifts / Windsocks / Windsock, 18″ D X 72″ L HD Sock Only Windsock, 18″ D X 72″ L HD Sock Only$55.95 Windsock, 18" D X 72" L HD Sock Only quantity Add to cart SKU: AT1110-HDO Category: Windsocks Description Description Bright Orange Heavy Duty Replacement Windsock only. 18″ Diameter X 72″ Long Fits “Wintek” 18″ Hooped Frame Calibrated up to 18knots.