As the industry leader, Kwikset has provided trusted security for over 60 years and has become synonymous with security, peace of mind, style and innovation. Etched detailing at the tip of the lever lends an air of elegant sophistication to the Dorian lever. Its graceful styling feels right at home in a wide range of decor. Both knobs/levers can be locked or unlocked by key on the outside, or turn button on the inside. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.