The door knob perfect for replacing old style or antique door knobs, such as mortise lock Designed for doors that are 1-3/8 in. to 1-3/4 in. thick, used for interior doors such as bedroom, bathrooms and other interior door The vintage door knob is made of zinc alloy, matte black finish, which is reliable and sturdy, and can serve you for a long time Package includes: 2 knobs, 1 spindle, 3 set screws, 1 L-shaped wrench, 1 washer. Old style door knob replacement set, easy to install, no professional door fitter required If you have any questions about the door knob, please feel free to contact us (via Amazon), Weight: 0.44 Pounds, Manufacturer: newliplace