Windex 10 Sport Wind Indicator from DAVIS INSTRUMENTS
Easy to remove for trailering In winds as light as 2/10th knots the sapphire suspension bearing allows the Windex to seek wind direction. No other wind vane in the world is as sensitive to extreme light air and small puffs, or as responsive when the breeze picks up. For small boats and dinghies. Includes a 10" vane, adjustable tacking tabs and glass reinforced polycarbonate J-Base for side, top or front of mast mounting. Stands only 9. 25" tall and weighs 1.