2 Inch Solid Brass Victorian Floral Knob (Oil Rubbed Bronze Finish). This knob measures 2 inches in diameter with a projection of 2/5 inch. Rear-mounting installation. Comes complete with mounting hardware. This knob is available in several different finishes including polished brass, antique brass, oil rubbed bronze (shown), polished chrome, polished nickel, and brushed nickel.