Domus tongue lock, with a 54mm cylinder and a 20mm tongue, in a white shade.

• With chrome finish.
• Suitable for aluminum or iron swing doors.

Tongue lock replacement guide: Measure from the face of the lock to the center of the cylinder where the key is inserted. For example, if the dimension is 3.5 centimeters, choose a 35 Tongue lock.

Installation process:

• Remove the handles by unscrewing the screws under the rotating base.
• Remove the rose cover from the bottom side.
• Unscrew the cylinder screw and remove the cylinder.
• Remove the lock by unscrewing the two end screws.
• Install the new lock by first screwing the end screws, then the cylinder, and finally the handles and the rose.