Black porcelain door knobs with cast iron ferrules, sold as a pair, for interior doors in traditional or contemporary settings. Each knob is high-fired porcelain with a smooth, rounded black dome, set on a black ferrule and a round rose plate with screw holes, and the two knobs join on a spindle. The cast iron ferrule adds durability and a secure mounting interface, and the knobs are made to withstand daily wear and tear. They are listed with a matte black appearance; the porcelain domes show a glossy black glaze, with matte black rose plates. The set suits the restoration of a period property or a vintage touch in a modern space, and installs easily, for homeowners, contractors and interior designers. Catalogue code: GMC-TJ-B2B-K