1. Applicable for wood doors, steel doors, plastic-steel doors and can be used for gate lock, house lock and decoration lock. 2. The lock body is an European type, designed according to the European standard. 3. It can be easily released from inside in case of emergency. Even though the dead lock is on, it can still be opened by turning the handle to release the dead lock and side lock. 4. The commutating device to the side lock makes installation more convenient. 5. The decoration ring with a double-nail structure is to prevent the hand from being taken down from outside and make use safer. 6. Varieties of separate and linking handle plate are available. and we have so many different tpyes of door locks