These dual function 1.25" LED's act as a brake light and running light. The size of the housing is 1-1/2"  diameter by 1-1/16" long. The wires exit through the bottom of the housing.

Comes with a stainless steel lock washer, 3/8"-24 bolt for mounting, universal mounting bracket, and both a flat and dome lens. 

For a larger version of this light, check out our 1.85" Speedster Tail Light.