Ensure greater safety for yourself and your vehicles by using these highly visable positional lights positional lights help to make your vehivle far more visable during the evenings they are ideal for use with horse and cattle trailers or for large trailers features fully wired with bulb holder without bulb with 2 screws and nuts for fastening measurements 77 x 94 x 86 mm 2 pieces 1 x left and 1x right