Mount only. Lights NOT INCLUDED and are sold separately. This mount features .5-1.25" diameter U-bolt base. The base holds a 1" diameter ball which connects to a 3.69" long arm. At the end of the arm is another 1" diameter ball which connects to a small light mounting tab. Great for mounting a SR-M Series, SR-Q Series, or D-Series light to a .5-1.25" diameter pole.