4 7 out of 5 stars 696.
Defender security high security door lock.
This reinforcement lock meets the texas building code requirements and it is designed to withstand up to 800 lbs.
This high security door lock is constructed of extruded aluminum and comes in a satin nickel anodized finish.
Defender security u 9819 sliding window security lock economy aluminum pack of 4.
Of force making it virtually impossible to defy from the exterior.