Blazer T423BA-60 Amber Rectangular Clearance/Side Marker with Reflex - Contractor Pack of 60 is designed to conform to applicable U.S. FMVSS108 and Canadian CMVSS safety standards for clearance markers, and is DOT approved. The 12-Volt Side/Clearance Marker features reflex in the lens eliminating the need for a separate reflector. The 12-Volt marker light mounts with one stud. Easily replace the lens and bulb for convenient maintenance. Blazer International is a leading provider of DOT, SAE FMVSS108, and Canadian CMVSS compliant and approved vehicular lighting products for Heavy-Duty Trucks, Trailers, and RVs. With brands like Axxent, BAJA Tough, and Radiant Effects; and over 50 years supplying vehicular lighting Blazer International has built a strong legacy of quality, value, and customer service. Blazer International is headquartered in Long Grove, IL.