Suitable for all types of door panels with a thickness of 15-18mm and a hole diameter of 26mm. Each lock is equipped with 4 * screws, 1 * replacement cover and 1 * striker High quality workmanship: the lock button is made of solid zinc alloy and plastic, durable, clean, no burr , rust-free and corrosion resistant, can be used for a long time Easy to install: equipped with replacement screws and locking covers and a striker for easy installation. All you need to do is screw the hole (26mm diameter) and tighten it Easy to use: opening and closing the lock is easy. No need for a key. Simply press the button to close or open the lock Wide application: well suited for front door, wooden box, desk, drawer, wall cupboard, cupboard used as a lock door, shed lock, cabinet lock, etc.