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The LDH100 Series is a patented, cost-effective solution for one-touch mechanical lockdown of exit devices.
In the event of an emergency, the LDH100 does not require a key or hex-wrench to lockdown the doors
from the inside; simply push the button on the end cap and the exit device automatically locks. The
mechanism has durable construction and is easily installed without special tools or removal of the exit
device from the door. It is ideal for classrooms, school perimeter doors, banquet halls, government facilities
or other locations where exit devices are required.