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. The Balboa lever’s wave style design is an attractive addition to any home. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel. This privacy function is best used in interior bed and bath applications where privacy is required. Both knobs/levers are locked or unlocked by turn button inside. The outside knob/lever can be unlocked by an emergency key.