Features: Our door reinforcement lock is made of aluminum alloy that can withstandup to 800lbs of force, 16times stronger than a normaldeadbolt. Our security door lock is rust resistant and designed for long lasting use. It features a sleeknicke finish that complements most doors and is low profile and landlordfriendly. Our home security door lock is perfect for anyone who wants to addextra home safety & privacy. It is a great gift option for ladies, friends, the elderly, petowners, new parents, or anyone that could benefitfrom some additional security devices. Our ultrasturdy interior door locks are perfect for front door security, locks for door inside, inward swinging, basement and garage doors to give you extraprotections and peace of mind. Our childproof yet tamper resistant extradoo lock from inside is toughenough to prevent unauthorized entry and easy to mount out of kids reach. It is perfect for front door child safety lock. Specifications: Material: aluminum alloy Height: approx 7.6cm/3inch Width: approx 2.54cm/1inch Package Includes: 1xHome Security Door Lock note: Please allow 1 to 3cm error due to manual measurement, please 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.