Easy to Install: The Burglabar patio door lock is simple to install - no tools required - and its crystal-clear design easily blends in; This versatile child-proof door lock can be used as additional an sliding door security bar or a sliding window lock. Before you order measure the space between your sliding doors and windows. There should be a clearance of 3/8" or 9mm between the sliding door frame and the glass of the fixed door. If you have this clearance, then go ahead and order the Burglabars and carefully read the instructions before doing the installation.
