Pet Door Guys Additional Step Over (For New In the Glass Pet Doors Only) install They are designed to match

They are designed to match the mounting structure used in those original systems

The glass section uses 3/16 inch clear safety glass

The strong adhesive backing holds securely in place

This locking cover is made specifically for Endura Flap pet doors

Pet Door Guys Additional Step Over (For New In the Glass Pet Doors Only) install They are designed to matchCustom step over height for Pet Door Guys "In the Glass" Dog Door Requires a professional glazier for measurement and installation Available in the lower 48 United States only] Two custom step over height options: Additional 2" or 4" No returns, as this is a custom product The "In the Glass" Pet Door from the Pet Doors Guys is a durable, custom made pet door that replaces a glass pane in your sliding patio door. It's more secure than a doggie doors