The Kirkpatrick Fullbrook Ball Rim Knob Black Antique has a classic round shape and will fit all of the rim locks that we sell.  The door knob has a black antique finish - this can be maintained by wiping over with a lightly oiled cloth from time to time. Matching Accessories for the Ball Rim Knob A rim lock should be used with this rim knob; these are sold separately and a variety of them can be found in the related products. Alternatively, you can find our full range in the Locks & Latches category. Matching key escutcheons are available to be used on the opposite side of t...