Square Reflector Marker and Clearance Light with Side Reflex by Optronics, Inc.
Stud-mount square clearance and side marker light. PC-Rated light functions as both a clearance and side marker light when properly mounted on a 45 degree angle, and features a reflectorized lens, eliminating the need for a separate reflector to meet DOT requirements. Single wire design grounds through mounting stud.

MC-37AB Amber Square Reflector Marker and Clearance Light with Side Reflex by Optronics, Inc.