High Quality & Beautiful Premium gorgeous crystal glass knob and beautiful antique brass finish, heavy duty and durable for last using. This antique brass mortise door knob is a great choice for your next project For Interior DoorsThis mortise lock set is ideal for updating or replacing interior vintage style door hardware and sure to add a touch of sophistication to your home One Size Fits MostThe antique door knob fits for door thickness from 1-3/8" to 1-3/4"(35-45mm). Suitable for right handed doors Easy InstallationAll accessories and installing instruction included. No need for professional door fitters, you can do it yourself. Please check the mounting accessory for the door knob before installing 100% Satisfaction ServiceWe provide the best interior door lock for every customer. If you have any questions about the door handle, please feel free to contact us (via )