4.The key can be unlocked smoothly. Each lock is equipped with 3 keys to prevent loss. 1.style, red lock body. Durable, electroplated and polished surface, without cutting hands. 3. Indoor, convenient and fast. In the room, simply pull the handle to open the lock and turn the handle 90° to fix the lock tongue without locking it. 2.Locking tab, strong and durable. High quality material, locking tab to prevent violent unlock, locking tab can be opened according to the door in and out of the exchange direction. Name: External Door Lock, Weight: 0.92814612302 Pounds, Manufacturer: Rtxbvg