1. Mortise lock fits most wood, vinyl and aluminum patio door design.
2. Center Drive: Mortise lock can be used on Left or Right hand door.
3. Slam Retraction:
The hooks will retract when in the locked position and slammed against the strike from damage.
4. Adjustability:
The Extension of hooks can be adjusted as same as the single mortise lock.
5. Mortise lock can be made both of Stell and S. S.
6. Mortise lock can be used in most of sliding door.