Copied from an early 1800s original with a plain domed centre. This knob is also available with a modern steel thread and nut as an alternative to the traditional thread (copied directly from the period original). The modern steel alternative makes installation easier if using in a kitchen, study or other interior design application.
Knob Diameter: 1 3/16″ (30mm)
Backplate Diameter: 1 3/16″ (30mm)
Traditional Thread Length: 13/16″ (20mm)