The No 8484 knob is based on a 19th century English design. It achieves a rhythmical pattern by the repetition of simple ribs progressing in from the circumference of the face. These ribs terminate in the center of the face with a similar shaped boss. The knob measures 1-3/4″ in diameter with a projection of 1-1/4”. All Nanz plated and patinated finishes are available.