High quality workmanship: The knob lock is made of strong zinc alloy, durable, clean, burr-free, rust-free and corrosion-resistant, can be used for a long time. Easy to install: Comes with replacement lock screws and covers and a strike plate for easy installation. All you need to do is screw the hole and tighten it. Easy to use: The lock is easy to open and close. No key needed. Simply press the button to close or open the lock. Wide Application: Well suitable for front door, wooden box, desk, drawer, closet, cupboard used as door lock, shed lock, cabinet lock, etc. Product Descriptions 1.Material: Zinc alloy buttons. Durable and burr-free. 2. Easy installation; requires a 23.5mm diameter hole in the mounting accessories. 3. Easy to use: works well; Easy handling. 4. No key needed. Simply press the button to close or open the lock. Features: Black color Material: zinc alloy Opening hole size: 23.5mm Scope of delivery: 2 * Yeuri push button lock