Very secure, reliable, and comfortable. Enhance the security of your house and apartment doors with this door cylinder featuring a practical reversible key. Reliable door cylinders must always protect your house and apartment doors against tampering attempts. Therefore, rely on this cylinder with SKG** drilling protection. Eight locking elements in two independent pin rows make the door cylinder particularly secure. Additionally, it is equipped with an emergency and danger function, allowing for locking from both sides even when a key is inserted on one side.