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 classic design of Tylo is at home in any decor. Its style lends a graceful finish to any door. The Polished Brass finish adds to the traditional look and feel of the product and makes a classic statement. This privacy knob is best used in interior bed and bath applications where privacy is required. The knob is locked or unlocked by turn button inside. The outside knob can be unlocked by an emergency key.