Anderson Marine Division Packaging. Available Individually with No-Order Minimum. A Master carton of this product includes 6 Pcs. Red PC-rated, stud-mount light functions as side marker or clearance light when properly mounted. Mounting stud serves as ground when mounted to metallic surface. Unit has single wire for electrical connection. Two separate ports for grounding to non-metallic surfaces (ground wire not provide). Features 15,000 hour long-life bulb. Stainless steel socket resists corrosion.