• Cast bronze top and bottom
• Bottom casting is tapped for 1" NPT pipe mounting
• Complete with medium prefocus socket
• Overall height: 11-1/2"
• Lens height: 6-3/4"
• White lens is tinted gray to comply with visibility specifications
• For use with 120 volt bulb only; bulb NOT included
• IMO COLREG 72/UL 1104 certified
• To comply with U.L. standard 1104, the lights listed must use a Perko # 342 004 CLR bulb, or its exact equivalent