The patented Marinco ConnectPro Plug features unique locking blades with the industrys largest surface-area for maximum surface contact and electrical conductivity.ConnectPro connections are weather resistant.The marine-grade design includes corrosion resistant, plated-brass electrical components, and a watertight sealing cap.The plugs erogonomic, soft-contoured grip allows easy hook-up and blade alignment.An O-ring seals out moisture while plugged into the receptacle.NOTE: This is a PLUG ONLY