Adapter ring to increase the diameter of the base of a doorknob from 5/8″ to 23/32″ (just below 3/4″),
or to reduce the diameter of the doorknob ring from 3/4″ to 5/8″. Solid brass.
This ring fits at the base of our doorknobs and is used for installing them in wider door roses. It is available in the same finishes to correspond to the bases of our doorknobs.
Outer diameter: 23/32″ , inner diameter: 5/8″