For frequently used doors, these knobs last twice as long as standard key- and button-locking door knobs. Choose them if you need knobs that each open with a different key. Once the outside knob is locked with the button on the inside knob, turn the inside knob to release the lock or unlock it with a key from the outside. These are also known as entrance knobs. They are UL Listed for three-hour fire doors.

Select a knob with the correct backset distance (the distance from the door’s edge to the center of the knob's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

Choose these knobs if you need knobs that each open with a different key. The outside knob locks and unlocks with a key while the inside knob can always open the door. These are also known as classroom knobs. They are UL Listed for three-hour fire doors.

Select a knob with the correct backset distance (the distance from the door’s edge to the center of the knob's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

Choose these handles if you need handles that each open with a different key. Once the outside handle is locked with the button on the inside handle, turn the inside handle to release the lock or unlock it with a key from the outside. These are also known as entrance handles. They are UL Listed for use with three-hour fire doors.

Select a handle with the correct backset distance (the distance from the door’s edge to the center of the handle's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

For frequently used doors, these knobs last twice as long as standard key-locking door knobs. Choose them if you need knobs that each open with a different key. The outside knob locks and unlocks with a key while the inside knob can always open the door. These are also known as classroom knobs. They are UL Listed for three-hour fire doors.

Select a knob with the correct backset distance (the distance from the door’s edge to the center of the knob's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

Choose these handles if you need handles that each open with a different key. The outside handle locks and unlocks with a key while the inside handle can always open the door. These are also known as classroom handles. They are UL Listed for use with three-hour fire doors.

Select a handle with the correct backset distance (the distance from the door’s edge to the center of the handle's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

Choose these knobs if you need knobs that each open with a different key. The outside knob is always locked and has to be unlocked with a key while the inside knob can always open the door. These are also known as storeroom knobs. They are UL Listed for three-hour fire doors.

Select a knob with the correct backset distance (the distance from the door’s edge to the center of the knob's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

For frequently used doors, these knobs last twice as long as standard self-locking door knobs. Choose them if you need knobs that each open with a different key. The outside knob is always locked and has to be unlocked with a key while the inside knob can always open the door. These are also known as storeroom knobs. They are UL Listed for three-hour fire doors.

Select a knob with the correct backset distance (the distance from the door’s edge to the center of the knob's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

Choose these handles if you need handles that each open with a different key. The outside handle is always locked and has to be unlocked with a key while the inside handle can always open the door. These are also known as storeroom handles. They are UL Listed for use with three-hour fire doors.

Select a handle with the correct backset distance (the distance from the door’s edge to the center of the handle's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

For frequently used doors, these handles last twice as long as standard key-locking door handles. Choose them if you need handles that each open with a different key. The outside handle locks and unlocks with a key while the inside handle can always open the door. These are also known as classroom handles. They are UL Listed for use with three-hour fire doors.

Select a handle with the correct backset distance (the distance from the door’s edge to the center of the handle's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

For frequently used doors, these handles last twice as long as standard key- and button-locking door handles. Choose them if you need handles that each open with a different key. Once the outside handle is locked with the button on the inside handle, turn the inside handle to release the lock or unlock it with a key from the outside. These are also known as entrance handles. They are UL Listed for use with three-hour fire doors.

Select a handle with the correct backset distance (the distance from the door’s edge to the center of the handle's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.

For frequently used doors, these handles last twice as long as standard self-locking door handles. Choose them if you need handles that each open with a different key. The outside handle is always locked and has to be unlocked with a key while the inside handle can always open the door. These are also known as storeroom handles. They are UL Listed for use with three-hour fire doors.

Select a handle with the correct backset distance (the distance from the door’s edge to the center of the handle's mounting hole) for your door. Latch bolt projection is the length the latch bolt extends from the door's edge.