Wesbar Standard Combination Left Hand Tail Light, Over 80-Inch Universal 2" on center stud mounting Screw-on main and side marker lens allow for easy bulb replacement. These tail lights meet FMVSS/CMVSS 108 requirements for trailers over 80" wide when properly mounted 8-Function, Left/Roadside 6.09" x 4.59" x 2.87"