The process in Northern Italy of mild hammering on Sand Casted Bronze has developed quite the sterling reputation for excellence. This large offering of contoured, smooth (lightly hammered) designs. Often copied, never equaled. Knobs are available in round, square, and rectangle designs. Round knob diameter is 1 3/4", square knob diameter is 1 1/2", rectangle knob is 1 3/4" by 1". All projections are 1 1/4". Available in Light Bronze, Natural Bronze, Old Pewter, and White Bronze finishes.