A Plug-In Base for Angled Locking Collar Poles. This tough, resilient 2-pin base is used for angled pole lights with locking collars. Ideal for installation in close quarters, such as narrow gunwales or deck areas. Narrow base has a soft rubber cover with a gasket to seal the socket. Contacts are nickel-plated to resist corrosion and multi-crimped for durability. Wire leads are tinned for corrosion-resistance. Base fits these pole lights. Frosted Globe: 5110 Series w/locking collar pole; Anti-glare: 5310, 5330, 5340 Series; Pulsar Bi-Color 5091-10-7 pole.