DOMINO 4000S Omega Product Introduction of the modular cylinder DOMINO Now installation of the 4000S Omega system has been made even more flexible. The modular DOMINO cylinder in the 4000S system can be easily extended or shortened in 5 mm increments, which offers significant advantages: • More flexibility during installation, easy on-site reaction to different door thicknesses. • Flexibility when installing in buildings which are built floor-by-floor or for subsequent changes in door thickness. • Systems can be ordered without knowing the door thicknesses in advance. • Standard cylinders and individually locking cylinders can be easily extended on customer request. Find out more by following this link.