1、Easy Installation: Equipped with screws, just use an electric screwdriver (not included) and a drill (not included) to install on the door frame, simple and convenient. 2、Wide Range of uses: Door security sliding latch lock is especially designed for doors, cabinets on yachts, ships and other places with better performance and durability. 3、Rugged and Durable: Door lock spring load latch is made of heavy duty 316 stainless steel with a polished finish to ensure perfect and long lasting service life. 4、Excellent Performance: The door lock spring load bolt is professionally applied with anti rust coating, highly resistant to seawater and abrasion, durable in use. 5、Easy to Use: The premium door security slide latch lock takes advantages of low resistance sliding design to realize quick locking, fast and convenient for safety.