Made of stainless steel and aluminum alloy, durable and reliable, has a long life Surface mount, security fixing screws included Easy to use by simply pushing into the lock barrel to lock, turn the key clockwise Suitable for interior and exterior doors, windows, metal windows and closets Package Contents: 1 Multi-Function Door Lock+Three Keys. Features: The sturdy construction of these stainless steel and aluminum alloy door locks ensures that the latch is durable and reliable, making it perfect for a outdoor use. The attractive finish of the gate locks with distinctive casing also allows for indoor use. Comes complete with all fixing accessories such as screws and 3 keys. Can help secure your yard which is essential if you have children or pets. The key lock on the lock ensures that unsupervised children or pets will not be able to leave the safety of your lot without parental permission when installed out of reach. Can be used as a door lock garage door lock, patio door lock, sliding door lock, french door lock and bolts for gates. The gate lock can be perfect for many situations such as keeping livestock secure, increasing security and locking valuables in the shed. Features: Materials: Stainless Steel and Alloy aluminum. Installation method: punch-hole installation. Surface treatment: painting/plating. Package: 1 multi-function door lock+Three keys..