Material: Stainless steel Color: Silver Length: App.8cm/3.15in Weight: About 30g Quantity: 1pcs Specifications: Features: Made of high quality stainless steel material, which is durable and rust-proof, practical and convenient to use. Portable safety lock for doors is compact and can be easily carried with you. And the traveler 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. Package Included: 1 x Door Lock (other accessories demo in the picture is not included.) Notes: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!