Vane length 150 mm (6”) Total length/height depend on how You mount it 300 mm (12”) Weight 17 gr (0,6 ounces) It has a rubber cord for fitting on tubes from 45-70 mm Windex 6 dinghy is our newest addition to the Windex family. It is the perfect wind indicator for smaller dinghies/multihulls or other fast sailing crafts. Windex 6 will be the perfect choice for all dinghy’s and smaller multihulls. The flexible mounting do it very flexible. Fits mast and bow spirit from 45-70 mm diameter. You can chose from several way of mount the Windex 6 on i.e. Optimist, Laser or multihulls. Windex wind vanes for sailors that need exceptional performance at the best value of any wind indicator worldwide. The secret is in the sapphire jewel suspension bearing, large fin-low inertia vane makes it very precise. Windex wind vanes remain the top performing wind indicators in the world and offers exceptional performance with great value. Provides accurate apparent wind direction information for all type of small fast sailing boats. Sapphire jewel suspension bearing makes the device sensitive in light air and responsive in heavy air.