These dresser drawer knobs have a diameter of two inches. Everyone who has purchased these and similar items from our shop have had no trouble with installation. We have many more available to match your quantity of need. We can ship USPS Flat Rate for these items and the cost will depend upon the quantity. We will combine your shipment cost in a way that is beneficial. Please feel free to send us a message if you have any questions. Each specific knob may bear different minor cosmetic inconsistencies.