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La porte de votre sécurité
De deur van uw veiligheid
The door of your security
La puerta de vuestra seguridad

Knob cylinder

Pas de clés du côté intérieur.

For the front door, opened with a key from the outside, and by rotary knob on the inside.

The key turns the rotor, irrespective of the position of the knob; consequently, specially designed for front doors when the user tends to leave the key in the cylinder in semi-engaged position.

To be avoided on glazed doors.