Enhance your sailing experience with the Raymarine Only Wind Arm Vane & Cups Masthead, R28170. This essential component is designed for accurate wind direction measurement, ensuring you stay informed while navigating the waters. Crafted for durability, it features high-quality materials that withstand harsh marine conditions. The vane and cups are easy to install and compatible with various Raymarine wind instruments. Upgrade your masthead setup and enjoy precise wind readings, helping you make informed decisions on your sailing adventures. Perfect for both seasoned sailors and newcomers alike!