Attwood Plug-In Pole Light Bases. The Best Navigation Lights in Marine! Attwood is the marine industry leader for plug-in bases for number of years.
Attwood’s innovative, spring-loaded, positive locking system greatly simplifies all-round light installation. With a simple, one handed motion, you can lock your light securely into place for well-lit night cruising. Removing your light is also a snap – just slide the quick release retainer button and the light is free to remove.