Easily converts your existing #1156 single contact bayonet socket to accept G4 bi-pin halogen or LED bulbs. An all new swivel design on the bayonet type adapters allows a side-pin G4 LED bulb to be rotated relative to the axis of the socket so that the LEDs can always point in the ideal direction, regardless of the socket's original orientation.Features & Benefits:Converts #1156 socket to accept G4 bi-pin bulbSwivel feature allows perfect positioning of G4 LED bulbMaterial: Nylon, aluminum, copperFits Socket: No. 1156 single contact bayonetConverts to: G4 Bi-Pin (for halogen or LED bulb)1 year warranty