Exceptional Material: The key lock is made of zinc alloy for rust resistance and high toughness, ensuring high quality and long service life. Easy to Install: The rotating lock can be installed on either the left or right side to work perfectly from both sides of the target. Its simple design makes installation and maintenance easy. Easy to Install and Maintain: All screws are hidden when the hasp is closed to prevent unwanted removal. Applications: The door hasp is suitable for installation where you need to lock, such as all types of doors, desks, cabinets, toolboxes, cupboards, windows, drawers, furniture, pet cages, etc. Hidden Screw Design: When using a key lock, its operating method is similar to a classic padlock. When the loop is closed, it is in the locked position. The loop hides the four screws at the bottom, effectively preventing disassembly or theft, which improves security.