Larson Electronics 24 Inch Stanchion Post/Pole Mount with Red/Green Running Lights and Perko Door Socket for Golight Strykers Stanchion post mount with Red and Green running lights for boat lights and go light Stryker's Base slides and locks into a sliding door perko socket via a twist collar The product is highly durable The wiring is contained within the pole, keeping it dry and secure Bottom collar unlocks so light can slide out of socket and be stored safely when not in use