Step up to designer styles and superior security with Kwikset Signature Series products. Tustins fashionable wave silhouette design is the perfect complement to homes with inspired style. This privacy knob/lever is best used in interior bed and bath applications where privacy is required. Both knobs/levers are locked or unlocked by turn piece inside. The outside knob/lever can be unlocked by an emergency key. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.