If you're looking for a patio door lock replacement, then you have many options to choose between. Patio door lock replacements are available in various sizes and styles. You can find replacement patio door locks, replacement patio door security locks as well as exterior replacement patio door locks among other products. A well fitting patio door can add style and practicality to any house. No matter whether you're looking for sliding patio doors, French patio doors, dog patio doors, or patio panel doors, you're sure to find something that fits the decor of your house, as well as your budget and your taste. 
C.R. LAURENCE V307W CRL White Secondary Security Lock for Inside Sliding Patio Doors
"C.R. LAURENCE V307W CRL White Secondary Security Lock for Inside Sliding Patio Doors. This CRL Secondary Security Lock has twin hardened steel dead bolts with a 3/4 inch (19.1 millimeter) throw. The lock is to be installed on the frame of the inside sliding door and is easily engaged by stepping on the locking button.." 
Master Lock 266D Window and Patio Door Lock with Alarm
"Master Lock window and patio door lock and alarm is an adjustable locking security device with a pressure activated alarm. It locks your window or patio door closed to prevent unwanted entry. Any attempt to open the window or door activates the 110 Decibel alarm (Jet engines are 120 db) while the burglar is still outside of your home, deterring the intruder and immediately alerting any occupants of the attempt." These doors can be found at amazon.com
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