SNS SAFETY LTD JCM-22i Convex Acrylic Mirror, Diameter 9" (22cm), for Parking Safety and Shop Security with Adjustable Wall or Ceiling Fixing Bracket Convex mirror provide a wide-angle view and decreases the risk of accidents. Simple to install, mounted on articulated ball joint for optimum positioning. Convex mirrors let drivers see around a corner, especially at car parking and garages. As surveillance system in shops and kiosks improves security and theft protection. Comes standard with hanging hardware and adjustable wall or ceiling fixing bracket and screws.