Hot Dipped Galvanized Pipe,Black Hot Dipped Galvanized Pipe,Hot Dipped Galvanized Steel Pipe Hengji Steel Co., Ltd , http://www.tj-steelpipes.com Change with you It is a lock that can open a lock and a spoon to open multiple locks . You can put the company office door drawer car locks on your own door, couple bedroom, children's bedroom study, etc. Locks for three minutes / each lock without replacing the lock into a spoon full of the above related locks can also be equipped with multiple spoons open - like Use fingerprint lock ( mechanical ) is generally convenient