The Weiser Cambie contemporary entrance knob is suitable for all standard interior and exterior door preparations. Its simple and matte black iron finish gives your door a touch of elegance, while its installation requires only a simple screwdriver. The lever is fully reversible, since it can be installed on right- or left-hand doors. This ANSI/BHMA grade 2 certified knob features a solid design for high residential security and is equipped with SmartKey(R) rekeying technology, which is useful if you want to adapt the lock with your new key. This product features Microban(R) antimicrobial technology, preventing microorganism growth on surfaces. The handle includes 2 keys and comes with a limited lifetime warranty on finish and mechanism.