Our Steel Anti-Vandal Windows and Shutters offer a high level of security for anti-vandal modular applications. One galvanized steel locking bolt on each shutter with rubber grommets for weatherproofing. Includes anti-vandal, anti-knockout steel hinges, anti-jemmy flange, and rebated construction. Door and frame profile produces a natural astragal and the anti-jemmy flange offers increased security.