The ATTWOOD Marine 910R3PSB7 Light Base-Round Black is a 3-pin light base that is designed to be used with the ATTWOOD Marine 910R3PSB7 LED Light Bar This light base features a black finish and is made from high-quality materials It is compatible with the ATTWOOD Marine 910R3PSB7 LED Light Bar and provides a bright light that is perfect for illuminating your boat or vessel