Step up to designer styles and superior security with Kwikset Signature Series products. Tustinâs fashionable wave silhouette design is the perfect complement to homes with inspired style. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel. This passage knob/lever is best used in interior hall and closet applications where no locking is required. The knob/lever is reversible and mounts on both left and right handed doors.