The Heritage Brass 32mm Round Stepped Cupboard Knob Antique Brass features a perfectly smooth face with a stepped base. Knob Finish This knob has an antique brass finish and would be suitable for all types of fitted or free standing furniture in residential situations and is simple to fit and maintain. Cupboard Knob Dimensions The cupboard knob measures at 32mm, the base measures at 16mm and it has a 24mm projection. It is supplied with appropriate fixing screws.