LOKmate Deadbolt Guard Door Lock Security - Magnet Version (Black/Black) For inward opening door only Slim & Light at 4 oz. Strong & Durable with steel bar frame Fast & Easy snap-on method in 3 seconds & release in 1 second Multi-Lock positions: Horizontal, Vertical or Diagonal deadbolts Left door, Right door or Double doors Magnet version that allows quick and secure installation Fast and easy snap-on method in 3 seconds and release in 1 second Simple and portable that requires no screws or tools to secure Slim (4.25&#034; x 3&#034; x 5/8&#034;) and light (4oz.) for traveling purpose Strong and durable with the steel bar frame, hook plate and trigger Designed for <span class="a-text-bold"><u>INWARD OPENING</u></span> doors: Left Door, Right Door or Double Door Universal fit for various locking positions: Horizontal, Vertical or Diagonal locking