CRL Circular Heavy-Duty Glass Mirrors come with a 160 degree wide angle mirror that swivels to provide a full overhead view of any area that requires frequent monitoring. Very commonly used to deter theft and improve safety. They are the perfect solution for parking lots, corners and most general applications. Will mount almost anywhere and adjusts to any angle. Trouble spots can be vastly reduced by installing convex mirrors. Place in strategic locations, these convex mirrors provide a clear, panoramic view of potential problem areas. Ideally used in commercial, institutional or industrial applications.