Mount only. Lights NOT INCLUDED and are sold separately. This mount features a 2.5" diameter round base with 7 bolt holes. The base holds a 1" diameter ball which connects to a 6" long arm. At the end of the arm is another 1" diameter ball which connects to a 6X2.25 mounting plate. Great for permanently mounting multiple SR-M Series, SR-Q Series or D-Series lights on a flat surface with maximum adjustability.