Product Description Davis Instruments Windex 15 Wind Indicator- Vane Length: 15", Height: 12.75" (Bird Spike Extends Above Vane)- Applications: Boats 15' to Over 100'- Mount: Through-Bolt or Drill & Tap Mounting Socket, Bird-Proof Spike IncludedFeatures- The Davis Windex 15 Wind Vane provides both racers and cruisers with accurate apparent wind direction information- Sapphire suspension bearing-makes the unit sensitive in light air and very responsive in heavier air- Includes an Adjustable tacking tab system- The Bird spike keeps birds away from the masthead- The bird-proof spike extends an extra 10 inches (24 cm) above the vane to discourage birds from landing- Reflective tape makes the Windex easy to see at night- Comes with through-bolt or drill and tap mounting socket- Tunnel tested to wind speeds in excess of 80 knots- The Davis Windex 15 has a 15" (38 cm) vane- Stands 12.75" (32 cm) tallIncludes:- Through-bolt for drill and tap mounting socket- 5/16" -18 Stainless stud- Washers and nut- Installation Option: Install a Spar-Fly on a dock or piling near your berth- Knowing wind direction makes docking easierDavis WinDex General Features:- Windex is the perfect choice for all cruising and racing boats from 15 feet and bigger- Windex offers a wide range of masthead wind indicators well suited for racers and cruisers from 15' (4.6 meters) to well over 100' (30 meters)- All Windex vanes feature a sapphire jewel suspension bearing, large fin/low inertia vane and easy-to-read, fully adjustable tacking tab system- In wind as little as under one knot, the sapphire suspension bearing allows- Windex to seek wind direction- No other wind vane in the world is as sensitive to super light air and small puffs or as responsive when the breeze picks up- Reflector tape on the vane and tacking tabs make Windex easy to see at night- Windex vanes are sturdy; they've been tunnel tested to wind speeds of 80 knots- Installed properly, they offer many years of hassle-free use- You don't have to be an America's Cup skip- per or Grand Prix racer to appreciate the sensitive responsiveness, durability and best value of a Windex wind vane- Next time you're on the water, look up and you'll see what most sailors choose...Windex
