NCL White Door Knobs, Bright Chrome Keyless Door Handles, Porcelain Door Levers,
4 For Cloakroom. The Use of NCL Porcelain Door Knob for Different Scene. NCL box includes knob, latch, screws, striker plate, plastic cover, hex drive wrench, installation instruction manual. The Oblate Porcelain Door Knobs are fired at a high temperature of 1000 degrees Celsius and coated with glaze to improve their hardness and durability.