Square LED Clearance or Side Marker Light with Reflector. Reflectorized lens eliminates the need for a separate reflector to meet DOT requirements. Features screw-on, replaceable lens. Stud mount black base. All weather molded plastic housing and durable lens protect against corrosion. Plug-N-Go Version Design has molded connectors (male), which ensures an easy, watertight connection to the electrical harness.