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. Our innovative round design fits a standard 2-1/8 in. drilled door, allowing easy installation with a standard screwdriver. The rich tones of Oil Rubbed Bronze add the finishing touch to this product. 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.