Feature:1. Has high sensitivity and starting threshold of wind speed, can effectively indicates the wind direction and help your sailing.2. Luminous reflector on the bottom of the vane makes it easy to see both day and night.3. Manufactured from premium marine grade 304 stainless steel, lightweight yet durable, UVproof, will not become porous or brittle.4. Equipped with birdproof spike which extends above vane to keep birds off mast, convenient to use.5. Simple nondestructive installation, no other tools are needed, ideal for sailing and yachting wind direction indication.Specification:Item Type: Wind VaneMaterial: 304 Stainless SteelApplication: Suitable for Marine Yacht Boat Sailing Wind Direction Indication..Package List:1 x Weather Vane1 x Fixed Bracket1 x Bracket1 x Gasket