Two-pin base for traditional-style Attwood pole lights is constructed of engineering-grade plastic. Hinged cover snaps closed to keep dirt and water out when light is stowed away. Socket is keyed to prevent incorrect insertion of straight pole lights. Completely non-corrosive, it features contacts which are nickel-plated to resist corrosion and multi-crimped for durability, and wire leads tinned for corrosion resistance.Four countersunk holes for installation fasteners. Includes 7-1/2" hard wire leads for connection to 12 VDC power supply. Dimensions: 2-1/4" long x 1-3/4" wide. 1-1/4" diameter installation hole size.