3457M

With red and white marking and simple emergency opening.
Used on bathroom/toilet doors where locking with a key is not appropriate.
3457A fits modern doors with drilled holes ø40 mm.
Used for all toilet locks with 5 mm square in the spindle bushing. Suitable for both ¼ turn rotation and ½ turn rotation.
The location of the screw holes fits most modern Nordic internal door/toilet locks.