Pair of Standard Rosette Screws (Antique Brass Finish) - these rosette screws are made to fit a standard 1 3/8 inch door and they measure 40 mm long. They are sold by the pair. These are also available (as an option) in 50 mm long which would accommodate a 1 3/4 inch thick door.
Tips & Tricks:
This item is available in several other designer finishes. Antique Hardware Tips