Two Sizes AvailableThese Early American Style knobs are made of solid turned brass. Turned knobs are made by a solid bar of brass being turned on a lathe and cut. The result is a beatuful, refined finish with great detail. If you choose this pull in the antique finish, your pulls will be hand treated when you order is placed using a chemical process that in essence speeds up the aging. In order to enhance the effect, each item is polished to reveal brass highlights similar to those achieved over many years of use. Also, if you order more than one item in the antique finish, each of your items will be done together to ensure that the finishes are all complimentary.This knobs are great compliment to our Queen Ann pulls.Also availalbe in a polished brass finish.BK-139d has a 7/8" diameter and a 7/8" projection. The base is 1/2" in diameter.BK-140d has a 1" diameter and a 7/8" projection. The base is 9/16" in diameter.