Please measure before purchasing

•This item is LED!

• Uses only a fraction of the power of conventional bulbs!

• Shines much brighter than conventional bulbs!

• Will last over 50,000 hours of continuous use!

• Virtually indestructible and will hold up to the harsh marine environment!

LED light bulb for Stainless Coast Guard regulation , anchor light. Fits all Classic Boston Whaler boats from 9 - 17ft with stern light containing single prong socket.  Red and Green bulb for the Classic 18'-25' Outrage from 1978-1992 .  This item is a 12 volt LED (light emitting diode) BA15S/1156 light source, which is far superior to conventional bulbs.