Zoo Hardware P5 90mm Cylinder and Turn, Keyed to Differ, is a high-quality locking system designed for doors, commonly used in residential or commercial settings. Manufactured by Zoo Hardware, a trusted brand in architectural hardware, this set includes a 90mm cylinder and a turn mechanism with a “Keyed to Differ” configuration. In a “Keyed to Differ” system, each cylinder in the set is uniquely keyed, meaning that individual keys operate specific cylinders. This configuration provides customized security, ensuring that each lock requires its own unique key for access. The P5 90mm Cylinder and Turn combination offer both security and convenience, allowing for easy locking and unlocking with the turn mechanism and corresponding key. This type of lock is commonly used in entrance doors for reliable access control.