If you are looking to increase your building's security and your building has old-style panic doors choose Security Latch. Improve your building's safety by reinforcing weak doors to avoid break-ins and burglaries. This latch is for old-style double doors with a center post. It rests firmly against the door jamb and opens without key or combination so it can easily attach and detach from doors. This latch is meant to secure an unoccupied building. Also available with a cable lock. 

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*Please check with your local fire department before purchasing Security Latch or any other door security product, as some fire codes may prohibit their use. All Security Latch Bars are to be used to secure the building, only when the building is not occupied.