Perko Fixed Mount White All-Round Navigation LightPerko Fixed Mount All-Round Light - White looks good on any boat. Certified for use on Power Driven Vessels up to 65.6 feet in length. The polymer base and top can hold up to harsh marine environments and the corrosion that comes with it. Features/Specs: "Reduced Glare" Design; Black Polymer Top with Clear Fluted Lens and Frosted Globe; Fixed Mount Black Polymer Base; Bulb: 12 Volt (Included); Base Dimensions: 1" x 2-5/8"; Pole: 3/4" Diameter Anodized; Screw Size: #8; Click here to download Perko Fixed Mount All-Round Navigation Light Instructions