Door knob (key lock) in satin stainless steel. Easy to install, the adjustable latch can be set at 60mm or 70mm backset. For doors 35mm to 50mm thick. Lock the inside and outside knobs preventing unwanted access to the room. It also includes a set of three keys that allow locking from the outside. Suitable for use on bedroom doors or any other interior door where privacy is required. Please note that the door hole should be less than 60mm. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it