Main features and functions of the cylinder. Maximum attack resistance with the new 5-row encryption system with 16 radially arranged carbonitrist steel pins + 60% tear-resistant, + 700 kg load against extraction. Patented resistance to "bumping" or hitting, picking or lock picks. High strength thanks to the 1st 6 pins, counterpins and connectors made of carbonitrized steel. "Friction cylinder" for opening the door from the outside even with the key inserted from the inside. Finish: Nickel Plated Key Key Features and Functions Each key is born with a digital identity and the cloud records and stores every process. Enabling the associated account gives you comprehensive protection against fraudulent duplications. The SECURiCARD card, which comes with each RS5 cylinder, is the keeper of key security. The request for duplication should only be made with authorized CISA CENTERS throughout the territory by submitting the SECURiCARD or creating a request from your account. Up to 8 billion different key combinations. Very high potential for access control of complex key fobs (up to 85 million cylinders for a master key). Flat key made of nickel silver with reversible insert with patented moving element. Ergonomic plastic handle, innovative design