The Hopkins Towing Right Side Combo Trailer Light 6-Function Incandescent light is designed for all vehicles and trailers under 80 wide. This light provides 6 legal functions to include stop tail turn rear and side reflex and side marker functions. Easily replace lens and bulb for convenient maintenance. Stud mounts on industry standard 2 centers and is easy to install. Manufacture Part # B93 Replacement bulbs #168 and #1157.