High-quality materials: The lock is made of high-quality stainless steel, which is rust and corrosion resistant. This makes it more durable. It can be used both indoors and outdoors. Product details: The surface is brushed and polished, very smooth and burr-free. The countersunk screw position is designed to look beautiful and spacious, and the mounting screw does not protrude. At the same time, the edges and corners are smooth and harmless. Practical and convenient: The refined design with the flexible swivel arm makes it easy to open and close the lock. Simply slide the swivel bar into the square guide to secure the lock. The swivel arm rests vertically and out of the way when not in use. Easy installation: The slim design with symmetrical countersunk screw holes ensures quick and easy installation. The installation position of the door lock can be adjusted according to your needs. Area of use: Suitable for doors, windows, changing rooms, bathrooms, pet doors, cabinets, etc. Better protect your privacy and security.