2 keyed alike half cylinder locks with 6 keys and keycode card . The size of the locks is 10mm/30mm DOM ix TwinStar is a high-end secured mechanical locking technique that is almost impossible to crack. Experience all the knowledge, heritage and innovation of DOM combined in one reversible key system. Features The movable elements in the key prevent unauthorized duplication, even with the most advanced copying techniques. Very comfortable key entry. Because of the reversible key it makes no difference how the key is inserted into the profile cylinder. Durable and wear-resistant key made of nickel silver. Standard T-clutch function ensures that when your key is inside the lock, the door on the outside can always be opened with another matching key. Doors with different security classes can be combined and opened with a single key (keyed alike). Available with 2in1 function. With the help of a supplied spare key it is possible to switch off a lost (mother) key. This eliminates the need to replace all your locks in case of theft or loss of keys. Pleasant key operation by wide key head. The extended key is matched to all common security fittings with anti-core pulling function