Prevent intruders from breaking the window in your door and gaining access to your lock. The Mr. Goodbar Door Security Grille is a reliable theft deterrent for back doors, garage doors, cottage doors and sheds. Tamper-resistant hardware allows you to mount the grille on the interior or exterior of the door. Secures windows up to 24 in. wide and 26 in. high Tamper-resistant hardware allows you to mount the grille on the interior or exterior of the door Mounting legs offset to clear trim around window Includes tamper-resistant mounting hardware and step-by-step instructions Easily removed for cleaning the window Powder coating allows for more durable finish resistant to chipping, scratching and fading