Emtek Modern Brass Tubular Single Point Lockset with Hanover Lever - Single CylinderHanding is Required for LeversetsStandard door thickness of 1-3/4". Specify if thicker.Standard latch is for 2-3/8" backset. Specify 2-3/4" backset if required.Weiser (WR5) KeywaySpecify by adding "W" to the beginning of product code.No upcharge for cylinder substitution. Can be keyed into existing Weiser systemSpecifications:Backset: 2-3/8" or 2-3/4"Cross Bore: 2-1/8"Door Thickness: 1-3/8" to 1-3/4"Material: Brass