This Perko Navigation Boat Bow Light is a must-have for any boat enthusiast. Crafted from high-quality polished brass and lacquered for a long-lasting finish.. Featuring the patented number 1934947, this Perko light is an excellent addition to your boat's electronics and navigation system, providing reliable lighting for safe night boating. The brand Perko speaks for itself, and this used item is in top-notch condition. The lens are glass in great shape and was rewired . The base is 6 1/4” by 3 7/8” and the flag holder is 3/4”