In addition to lasting twice as long as standard self-locking door handles, these mortise mount into a cutout in the door to withstand vandalism.

For frequently used doors, these handles last twice as long as standard self-locking door handles.

For frequently used doors, these handles last twice as long as standard self-locking door handles without lock cylinders.

Use the same key to open multiple handles. The outside handle is always locked, and the inside handle can always open the door.

For frequently used doors, these handles last twice as long as standard master keyed self-locking door handles.

Unlock these knobs with a master key and a key unique to that door. They are always locked from the outside, but doors can be opened from the inside knob.

In addition to lasting twice as long as standard key-locking door handles, these mortise mount into a cutout in the door to withstand vandalism.

For frequently used doors, these handles last twice as long as standard key-locking door handles.

For frequently used doors, these handles last twice as long as standard keyed alike key-locking door handles.

For frequently used doors, these handles last twice as long as standard master keyed key-locking door handles.

For frequently used doors, these handles last twice as long as standard key-locking door handles without lock cylinders.

These knobs can always be opened from the inside, while the locks on the outside each open with a different key.

Lock and unlock these handles with a button on the inside or a key on the outside. Handles each open with a different key.

For frequently used doors, these handles last twice as long as standard key- and button-locking door handles without lock cylinders.

For frequently used doors, these handles last twice as long as standard master keyed key- and button-locking door handles.

For frequently used doors, these handles last twice as long as standard keyed alike key-and button-locking door handles.

These knobs lock and unlock with a button on the inside or their own unique keys.

Choose these knobs if you want to use your own compatible lock cylinders.

In addition to lasting twice as long as standard door handles, these mortise mount into a cutout in the door to withstand vandalism.

For frequently used doors, these handles last twice as long as standard door handles.

Lock the outside handle with the button on the inside handle.

For use alone or as part of an access-control system, these locks use electromagnetic force to hold single doors closed.