Anti-theft Buckle Door Buckle Door Bolt Door Lock Buckle Hasp Door Anti-lock Buckle Household Thickening Mute Anti-rust 【Security & Privacy】 Swing bar door locks are security locking instruments for swing-in doors, enable humans inside the room to open the door few inches for id or air flow while providing privacy and security for company and residents. Door latches can also be put in out of kid's attain so that they can't open the door by themselves, offering extra child-safe door security. 【Premium Quality】 The latch is manufactured from advantageous solid zinc alloy, which is sturdy and not smooth to rust. The floor is polished for beautiful appearance. The thickened backside plate and thick head lock materials are strong, hard to break, and extra secure, making certain your loved ones safety. 【Advanced Craft Features】 The rotating shaft is supplied with precision metallic balls, and the position of the third tools is adjusted, and the door lock is opened and closed extra smoothly. The base panel is thickened, and the screw holes are constant at 3 aspects to make the latch installation extra secure. 【Easy Installation】 The set up and operation is simple, you just want a screwdriver, after making the mark, tighten the door lock with screws. Installation is brief and straightforward 1. Please want the right location in your door and let its main physique be aligned with the sub-body, then make marks of the screw holes. 2. Fix the major physique to the door frame with screws. 3. According to the mark, repair the sub-body with screws at the door. 4. Close the door and examine the door lock. Specifications - Material: Premium zinc alloy - Finish: Beautiful plating process -Application: Ideal for restricting door openings and home door secure in residences, home, hotel, motel, Inn etc.