WIDE APPLICATION: Latch hooks can be used to secure barn doors, shed doors, wooden doors, garden gates, wooden fences, garages, carports, cupboards, swinging windows, shutters etc; they can also protect children and pets from sneaking out of the yard or room.EASY TO INSTALL: Package includes 2 door hooks, 8 mounting screws, 0.27" thick, 3.5" long; simply drill the screws into the holes and secure in place.ROBUST AND DURABLE: The door hook lock is coated with a rust-proof coating, hard and durable, will not rust, warp or fade. It is strong enough to lock and secure windows.SECURITY AND PRIVACY: You can install the hook and eye lock in dangerous or private places to keep children and pets out.SPECIAL DESIGN: The hook-and-eye locks can be opened quickly and easily without wasting time looking for the key, the hook bar can be rotated 180 degrees vertically and horizontally with enough freedom of movement that it will not slip out easily, allowing them to be securely fastened.