NCL White Door Knobs, Matte Black Keyless Door Handles, Porcelain Door Levers, Interior Bath Door Knob

CRACK KNOBS: High-quality ceramics are fired at 1000C (1832F) for durability and hardness, and coated with glaze for added protection and smooth finish. Our knobs features a distinctive crack pattern. | ZINC ALLOY ROSE: The porcelain door knob with sturdy round zinc alloy rose is very sturdy and secure. This combination of porcelain and zinc materials offers both beauty and long-lasting performance. | STANDARD: Fit most of standard door thickness 1-3/8 to 2 (35-50 mm). Forty five degree zinc latch adjustable 2-3/8 or 2-3/4 (60-70 mm) backset optional. | FUNCTION: Keyless privacy door knob, no key for whole house use, including bathrooms, bedrooms, hall and other areas. Interior side: Push the button to lock, pull to unlock, or twist the knob to unlock. Exterior side: Has an emergency release hole that allows unlocking with a screwdriver if needed. | EASY INSTALLTION: Our knob come with all installation hardware included in the package. You only need a screwdriver and can complete it yourself in about 15 minutes. If there is any problem with your purchasing, please contact us. We will answer patiently and reply quickly.