- Elements by Weiser® provides an expanded choice styles and finishes at an affordable price. 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 piece inside. The outside knob/lever can be unlocked by an emergency key. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.- For use on interior doors where a privacy locking function is required, such as a bedroom or bathroom- Universal handing; fits both right handed and left handed doors- Features an adjustable latch to fit all standard door preparations- Lifetime mechanical and finish warranty