Marker Light, Red, Square, Stud Mount, Reflex, (114) MC36RB Red stud mount marker/clearance light with reflex, self grounding. Specifications: Mount: Stud Connection: Hard Wired Housing Material: ABS Voltage: 12V Weight: 0.132 lbs Dimensions (WxHxD) 2.750 x 2.125 x 1.00