CIPA's Concept II Marine Mirror features OE grade shatterproof convex safety glass mirror surface to provide added safety and situational awareness. The convex design of the glass provides for a wider viewing angle. The Concept II Marine Mirror is universal in application and fit, and mounts above or below the windshield. The 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. Size 4" x 8"