The end hook is designed in a way that does not automatically unlock itself when force is applied to the door. add extra more security and privacy to every corner in your house. Centerset design barrel bolt which great for either side installation,that means the bolt can be pushed to left or right and bolt lock also can be installed on left or right. Barrel latch perfect for using on vertical, horizontal applications,In vertical using, the notchin case holds the bolt in a locked position. Sliding Bolt Lock is classic streamline design, precision processing, mellow and delicate, As long as you have the right installation space, you can DIY at home. Satisfied WarrantyIf you are not satisfied with our products, please feel free to contact us and we will provide you with the best solution with in 96hours suitable for any decoration style, can be perfectly integrated with the original decoration Division, a simple atmosphere. It can be used in many kinds of doors and windows, such as hall, toilet, kitchen door, bedroom, balcony, storage room.