CIPA USA Comp II Boat Mirror Universal 4in x 11in. In order for glass to be considered of OE grade it must utilize a technique called first surface coating. First surface coating provides a high quality image that eliminates symptoms such as ghosting and multiple reflections. The convex design of the glass provides for a wider viewing angle. The Comp II Boat Mirror is universal in application and fit and can be mounted above or below the windshield. Pivot Cup-Mount bracket provides over 120 degrees of easy adjustment. Clam shell clamp design fits most windshield trims and sizes. No drilling required for installation. Features of CIPA USA Comp II Boat Mirror Universal 4" x 11" OE grade shatterproof convex safety glass mirror surface Ball And socket tension adjustment Convex glass design provides for wider viewing Aluminum anti-scratch quick mount bracket All hardware is included Package Contents: CIPA USA Comp II Boat Mirror Universal CIPA USA 11083: Comp II Boat Mirror Universal 4in x 11in