ABUS EC660 double profile cylinder length (a/b) 30/80mm (c=110mm) with 6 keys, with security card

["Profile double cylinder with security card and copy protection through trademark protection (no patent protection)", "With emergency and danger function (can also be locked if a key is inserted on the other side)", "With high-quality drill protection SKG** tested", "Additional keys can be reordered online as duplicate keys", "Additional cylinders can be ordered online as keyed alike to your system (thus matching your keys)"]