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Defender Security - Sliding Patio Door Security Items per page:  
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Patio Door Lock, 1-9/16" HC, Diecast, Black, Twist-In Action
Zinc plated or painted Zamac cast housing with twist-in action, aluminum bolt; securely locks door in closed or ventilating position; prevents prying or lifting of door.
              
Patio Door Lock (bronze)
Case hardened steel bolt locks patio sliding door in closed or ventilating position. Helps prevent prying or lifting of door; easy to install.
              
"step-on" Patio Door Lock (aluminum)
Push bolt into; lock; step on top to unlock; made of heavy gauge steel; fits most patio door configurations.
          
Security Bar Lock, 4' Long, Aluminum, w/ steel hinge
Patio Door Security Bar. Aluminum finish. Jimmy-proof security for patio doors. Extruded aluminum bar used on inside or outside sliding doors. 48", cut to size.
              
"step-on" Patio Door Lock (black)
Push bolt into, lock; step on top, to unlock; made of heavy gauge steel; fits most patio door configurations.
              
"anti-lift" Patio Door Bumpers
Deter burglars from lifting out your sliding glass door; reduces the installation gap at the top of the frame so door cannot be removed when closed.
              
"push-pull" Door And Window Lock (black Finish)
Heavy gauge plated steel housing; hardened steel bolt; positive 2 position action prevents accidental lock out; works on patio doors or sliding windows.
              
Sliding Window Sash Lock (double Screw Model-black)
Effective security for all metal sliding windows or doors; double thumbscrew model provides extra gripping power; easy to install.
              
"step-on" Patio Door Lock (black)
Patio door lock has hardened steel bolt; convenient foot activation; mounts in any position; use in closed or ventilating position; easy to install.
              
Deadbolt Loop Lock, with Key, Aluminum Finish
Hardened steel bolt loops through keeper to prevent lift-out; housing is heavy metal casting; thumbturn activates locking; can also be locked with key.
              
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