PRIVACY FUNCTION: The privacy door knobs can be locked by twisting the button inside and opened outside in case of emergency with a flat-tipped tool such as a screwdriver or coin, ideal for use with bedrooms, bathrooms, interior locking doors and other privacy needs EASY INSTALLATION: All door knobs are reversible and can be installed left-handed or right-handed. Privacy door knobs come with all accessories and included installation instructions to help you complete the simple installation of the door knobs lock in less time. Each of door knob is packaged separately to avoid scratches caused by collisions during transit ADJUSTABLE LATCH: Adjustable latch to fit 2 3/8" or 2 3/4" backsets. Fits on 1 3/8" to 1 3/4" thick doors. Please measure the door thickness and backsets before purchasing. Reversible for both left handed and right handed doors. (Notice: The latch plate is unremovable.) PREMIUM QUALITY: Heavy-duty door knob is made of premium quality stainless ste