Crystal Lever Spare Door Knob Set (Several Finishes Available)This is an open box or discontinued item. It may have cosmetic damage or have a surface defect that does not affect the items functionality. A picture of the defect is shown below. THIS ITEM IS NOT ELIGIBLE FOR CANCELLATION, RETURN OR EXCHANGE. ALL SALES ARE FINAL. Crystal Door Levers Lever Style 4 inches Long Includes Two Spare Knobs and Passage Spindle Glass doorknobs originated in the early 19th century and gained widespread popularity in the late