Nun Navigational Marker Buoy

A metallic, floatable device having a conically shaped upper section (upper section resembles a nun's cap). Its lower section may be either round shaped or consist of a streight sided center section with a conically shaped lower section. It is designed to be anchored in water to mark the location of channels, shoals, rocks, reefs, submerged obstacles, and the like, and to promote safe navigation of watercraft.