CIPA 11083 COMP II Black 4" x 11" Marine Mirror Features a 4 x 11 inch OE grade shatterproof convex safety glass mirror surface to provide added safety and situational awareness Universal in application and fit and mounted above or below the windshield Convex glass design provides for a wider viewing angle Clam shell clamp design fits most windshield trims and sizes. No drilling inquired for installation Made with non-corrosive materials and salt spray tested. Easy to install. All hardware included