Our vast collection of centre door knobs can be used for a variety of properties from country cottages to town houses to period dwellings. These Round centre door knobs are forged from mild steel and hand finished by our expert craftsmen. A perfect design choice for any home, with many matching products available. Designed to match our Round mortice/knob sets. Our centre door knobs are equipped with a location pin on the rose to prevent any unwanted movement during the life of your product. Supplied with a M10 x 90mm dome headed bolt for bolt-through fixing. Our Black finish is a popular choice in traditional settings. Its subtle sheen offers a bold contrast on stained and painted timber alike. During the manufacturing process, our Black products are baked in a high-temperature oven, giving them durable, corrosion-resistant qualities. Knob Size: 73mm Rose size: 85mm Projection: 85mm.