CIPA 11070 Concept II  4" x 8" Marine Mirror (Black) Features a 4 x 8 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. Ball and socket tension adjustment knob design keeps the mirror where its positioned Convex glass design provides for a wider viewing angle Aluminum anti-scratch quick-mount bracket accommodates round or square windshield frames from 1/2 to 7/8 of an inch Made with non-corrosive materials and salt spray tested. Easy to install. All hardware included