The Kwikset Lisbon Privacy Lever Square is a pair of levers on a square rose suitable for bedroom or bathroom doors. Locking is done by a push button on the interior and on the exterior features a small pin hall to unlock the door. They have a solid metal construction which ensures that they are durable and can be used on either left or right handed doors. Includes an adjustable latch for easy installation on all standard doors and have strengthened springs to ensure the levers stay level over time. These lever have a unique thumb rest designed for ergonomic comfort making them compliant with the Americans with Disabilities Act (ADA).