This Vernacular style door knob set was made by Corbin in the 1885 catalog. It is part of the B-11900 Flower Pots group. This set is made of all cast brass. Set includes two knobs and two keyhole backplates. The dimensions are Knob 2.25 in. diameter x 2.125 in. D, plate 5.25 in. H x 1.375 in. W x 0.25 in. D, drop 2.25 in., collar 0.75 in. diameter.