Knob Length: 57 mm Rose Diameter: 60 mm Projection: 67 mm features: Pair of oval mortice knobs on unsprung roses 8 mm spindle and fixing screws included Suits doors 35-65mm thick Manufactured in the UK. Available finishes: - Tudor Bronze For any other finishes, please contact our sales team. Tudor bronze is a sand casting of solid bronze, which has been traditionally produced to simulate a manufacturing process of a bygone era. Surface blemishes, including small porosity indentations, are part of any sand cast solid bronze product.