JH Smith Prancing Horse Weather Vane Topper - Black Metal - For Rooftop, Yard Pole, Barn DECORATIVE : Black metal weathervane with a decorative horse that looks as if it is prancing. ASSEMBLE : It does require some simple assembly with a screwdriver, but nothing major. RESPOND TO THE WEATHER : Vanes help designers make gardens which respond to the weather. For farmers and gardeners, weathervanes were meteorological instruments. This is why they are often called "weather' rather than "wind' vanes. USE : Once assembled, it can be placed on an existing pole and used to gauge the direction of the wind in and around your yard. USE : Once assembled, it can be placed on an existing pole and used to gauge the direction of the wind in and around your yard. SIZE : The overall dimensions of the vane are 19" from the bottom of the pole topper to the top of the horse's head. the direction indicators measure approximately 13" from end to end.