High security cylinder with duplicated controlled key protected by PIN code. The cylinder ensures high passive resistance against break-in attempts, thanks to the following technical characteristics: - 15 hardened stainless steel radial asymmetric pins and fixed pins for operating the key rollers - 3 hardened steel anti-drill pins on each side - 5 high-resistance nickel silver flat reversible keys with mobile elements and AGB-patented ergonomic grip - Anti-burglar insert in special steel - Anti-pull cam in steel. Double function version available (2 keys inserted simultaneously) - Customizable keys with inserts of different colours to be ordered separately.