Blacksmith Olympic Boat Carbon Fiber Wind VaneBring your sailing experience to a new level Davis Instruments introduces Blacksmith Wind Vanes, made from super lightweight 3D carbon fiber and duraluminum to withstand the rigors of hard racing.Feature precise balance - Olympic Boat Carbon Fiber Wind Vane is effective and efficient in 0.8 knot up to 40 knots wind conditions.Features:Handmade carbon masthead wind vane for boats up to 20 ft9x9 in / 23x23 cm0.5 oz / 13.9 g3D carbon & duraluminumJ-base for side, top, or front mounting