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Burglarybuster 3 security lock for all opening-inwards French Doors.
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This device is made out of structural steel with white powder coating, which works great as french door locks and patio door locks. This french door and double door reinforcement kit have a high-quality combination padlock and thumb screw. In addition, the adjustable feature makes this security device fit different door widths and handles.
Sihnman Patio French Door Lock Hardware for Patio Door Lock Security and Double Door Security Reinforcement. Combination Padl
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2 Pcs Door Flush Bolts - 6 Inch Concealed Security Door Locks for French Doors,C