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. These knobs each have their own blemishes, but this gives them a rustic look. What you see in the photos is what you will receive. 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. Please feel free to send us a message if you have any questions. Shipping cost includes handling and shipping insurance.