Partsam 2x White 2" Round 9 LED Truck Trailer Side Marker Light w Grommet Reverse 2" 9 LEDs Round side marker Trailer Light for nearly every light panel for your trucks Heavy Duty Lighting Requires standard 2-pin connector Found on all sorts of applications can be used as a clearance marker, side marker or identification light commonly found on air cleaner light bars, cab and sleeper kits, bumpers, rear center panels for drivers with limited space but a desire to be seen.