The Mast Mount is designed to fit multiple specific manufacturers Radomes and Satellite Antennas. It is constructed from lightweight aluminum and is powder-coasted white for a durable finish. For fast and accurate installation Edson designed mounting feet that can be properly secure to a wide range of mast profiles. One Mounting Plate is required to complete the Edson Vision SeriesMast Mount System. Features: Rugged Design Marine-grade aluminum construction Powder-coated white Rivets included for mast attachment Easy installation First all modular system – extremely versatile Simple selection and installation Requires Vision Mounting Plate to install radar or sat dome antenna Mast Mount Radar Platform For sailboats and trawlers Swivel Feet fit most masts Rivets included