1.Adding extra security: Hasp and staple lock concealing the screws when closed prevents disassembly and effective burglary prevention, adding extra security and privacy to your home from strangers, while effectively avoiding the risk of children being caught accidentally opening or closing drawers. 2.Sturdy materials: Lock clasp, lock base, key and screws, door latch hasp made of zinc alloy, thickened base for security and durability, smooth surface, water and rust resistant, corrosion resistant, locking hasp protects hands from scratches and can withstand all kinds of harsh weather conditions. 3.Widely used: Shed door locks suitable for indoor and outdoor use, e.g. carports, garage doors, garden doors, loft hatches, back doors, bedroom doors, pet doors, lockers, drawers, cupboards, wardrobes, boxes, etc.Bedroom door lock beautiful appearance with a metallic lustre to match all home styles. 4.Easy to install: Keyed hasp and staple with mounting screws, just screw the screws into the desired position, no additional drilling required, automatic knob concealed lock can be locked by turning 90 degrees, metal lock hasp no need to other padlocks separately which require a key to unlock the door, increased security.