The Vision Series Mounting System is a revolutionary design that provides the simplest, most attractive solutions to your electronics mounting requirements. Dual Mount for a Radar Dome and a Satellite Dome. Two Mounting Plates required. Features: All-new sleek, modern design First all modular system - extremely versatile Simple selection and installation Easy to add accessories Two marine electronics mounting platforms Powder coated aluminum Requires Vision Mounting Plate to install radar or sat dome antenna18" Sat Dome Dual Mount Aft raked 30 degrees 18" tall Truck Freight: No Oversized: No