- PRIVACY FUNCTION: Ideal for bedroom and bathroom doors, this lock features a turn button for easy locking from the inside. In case of emergencies, the lock can be quickly unlocked from the outside using a coin or other tools. - EASY INSTALLATION: The NCL interior door handles can be installed in just 15 minutes with a simple screwdriver. Designed to be reversible, they accommodate both left and right-handed installations. Ensure to check the opening direction before installing the latch. - COMFORTABLE OPERATION: Crafted with solid zinc levers and a square rosette, this handle adds a contemporary touch to your doors. The durable mechanical lock structure and high-quality zinc latch allow for a comfortable turning angle of 45 degrees. - STANDARD DOOR THICKNESS: This handle fits most doors ranging from 1-3/8" to 1-3/4" thick. The latch backset is adjustable to either 2-3/8" or 2-3/4", allowing you to easily modify it by twisting the middle part. Practical applications include enhancing privacy in bathrooms, securing rooms in shared living spaces, or upgrading your home’s interior aesthetic. Whether it's for a new build, renovation, or replacement, these door handles provide a reliable solution for your locking needs.