IKON locking system KPZ without its own key in extra SK6 basic length

Extra class Security with key protection: Patent protection Number of locking elements: 11 Patent term: 2028 Special feature: Like SK6, but with additional rib shaft coding, which is queried by up to five additional, actively spring-loaded shoulder pins in the locking cylinder: higher lock and lock tamper-proof Note: Cylinder prices do not include internal keys.