Attwood Fold-Down Incandescent Anchor/Masthead Light - 20" Horizontal Composite Base - 12VAttwood Fold Down Incandescent Anchor Masthead Light delivers durable, reliable navigation lighting for boats up to 65. 6' (20m). With a 20" horizontal composite base, this light provides three mile, 360 visibility, ensuring youre seen from all angles while on the water. Key features 3 mile, 360 light visibility for boats up to 65. 6' (20m) 20" horizontal composite base designed for rugged marine use Freshwater and saltwater compatibility for