Double Contact Bayonet Socket
Features:
Hella Marine NaviLED 360 Compact All Round White Navigation Lamp - 2nm - Fixed Mount - White Base [980960011]
Perko Vertical Mount Stern Light Stainless Steel [0939DP1STS]
Perko 36" White LED All-Round Navigation Light [1444DP4ALU]
OceanLED Sport S3116S Underwater LED Light - Midnight Blue [012101B]
Perko Masthead/White All-Round Navigation Light - 12V [0200MABW01]