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. A clean, streamlined design on the Delta fits a wide range of decorating styles: from traditional and ranch to contemporary. The antique nickel finish offers a warm feel to the product's 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 button inside. The outside knob/lever can be unlocked by an emergency key.