stainless steel which is and rust-proof, practical and convenient to use. Portable lock for doors is compact and can be easily carried with you. And the can keep it in his pocket or wallet for convenient transportation during a business trip, vacation or other trip. Security door locks can be used for a wide variety of different properties, such as apartments, student dormitories, hotels, motels. It will provide additional privacy and security. This door security locks is very easy to use, since it can be installed on the door within a few seconds, without using any tools. Length: app.8cm/3.15in, Manufacturer: huswdw