The Guardian 36 in. x 36 in. 7-Bar Window Guard offers enhanced security for your home. Welded 1/2 in. tubular steel construction maximizes forced-entry deterrence. Available accessories allow you to protect oversize windows and create an interior quick release to enhance fire safety. Mounting brackets are sold separately. Choose from 3 in. projection brackets, flush-mount brackets, or inside-mount brackets. See Planning guide on More Info tab for more information and specifications. A foot-operated release may be required by local fire codes.