This listing is for a set of  4 Vintage 50's Chrome Drawer Pull Cabinet Door Knobs.  They are a good higher quality knob, sturdy and substantial.  Bottom diameter is about 1 5/8" with holes being 1 3/16" from each center.  They are about 1 1/8" high.  They are in nice condition for their age, may have a speck or two of old paint as a previous owner failed to remove the knobs before painting the cabinet.