High quality zinc alloy material: handle: zinc alloy, lock cylinder: brass, key: brass. Made of high quality zinc alloy, sturdy and durable. Surface plating treatment, black powder coating, with anti-rust function, long-term use is not easy to fade, anti-oil and anti-fouling, comfortable feel, durable, long service life. Size specification：Handle size:Handle size: L 6.81"/173mm, W 1.77"/45mm. Lock body: L 3.2"/80mm, W 2.2"/55mm. Center distance: 35mm; 1 set of lock contains 3 keys.Size is measured manually, there may be 1-3mmm error Lockable design: solid knob inside, turn the knob to open and close the door, easy to use. The exterior is unlocked with a key to prevent the door from being opened suddenly. Warm guarding, strong and durable Application: The privacy pocket door lock is widely used in sliding doors in bedrooms,wardrobe ， study rooms, kitchens, bathrooms, ancient warehouses, garages, balconies and other places. Easy Installation:Built-in instructions with detailed installation steps, easy to install. Mortise door lock can be bolted inside or locked outside, when bolted inside, it can be unlocked from outside with key. If you have any questions about the product, please contact us at the first time, we will reply you within 8 hours and solve the problem for you until you are satisfied., Weight: 1.212542441 Pounds, Manufacturer: Betensh