These quality heavy cast iron old forged round iron cupboard door knobs are great handles for the price.Made in traditional casting methods from solid cast iron with a oxidised finish which gives each piece a one of a kind appearance. They will suit both traditional and contemporary projects and have a lovely unique hand applied finish. These knobs are unsuitable for high moisture areas without being sealed as they could rust. A coat of clear matt lacquer or wax will be sufficient.20mm Knob - Height: 17mm | Diameter - 20mm | Backplate - 15mm25mm Knob - Height: 20mm | Diameter - 25mm | Backplate - 20mm30mm Knob - Height: 32mm | Diameter - 30mm | Backplate - 20mm35mm Knob - Height: 32mm | Diameter - 35mm | Backplate - 22mm40mm Knob - Height: 32mm | Diameter - 40mm | Backplate - 22mmCup Pull - 4" - Length 100mm | Fixing Centres - 86mm | Height - 42mm | Projection - 20mmCup Pull - 5" - Length 130mm | Fixing Centres - 106mm Height - 45mm | Projection - 20mmKnobs supplied with M4 fixing bolt. Cup pulls supplied with traditional slotted wood screws which suit cupboards from 15mm depth.