Emtek Designer Brass Leverset - Rope Lever, Passage Set Can be ordered with any Brass rosette Sold as complete set. Includes Latch and Strike Plate 28 Degree Latch (included when CF Mechanism is selected) - Fits any door between 1-3/8 to 2-1/4" thick with a 2-1/8" bore standard door prep*- Standard latch is for 2-3/8" backset. Specify 2-3/4" backset if required* STRETTO rosette requires a 1-1/4 diameter bore hole and 2-hole door preparation for thumbturn privacySpecifications:Backset: Adjustable 2-3/8" or 2-3/4"Cross Bore: 2-1/8"Door Thickness: 1-3/8" to 1-3/4"Latch Faceplate: Round or Square CornerMaterial: Brass