The EZ Vane Airplane Bi Plane Weathervane recalls the wild and wooly early days of aviation with an iconic laser cut biplane that always heads into the wind! Wind cups spin on smooth ball bearings for excellent performance in all conditions. Directional markers are also included. Choose a deck mount, post mount, garden stake, or four-way mounting bracket for the peak of a roof. Strong steel is coated in scratch-resistant zinc and copper coatings plus a clear UV-protectant.