Kwikset, 154HFLRDT, Passage, Halifax, Leverset, Product Features: Interior rosette has exposed screws which are not concealed Solid zinc construction ANSI / BHMA Grade 2 Certified Features a reversible, symmetrical design for right or left handed doors Strengthened springs ensure that the lever stays level over time Easy installation Includes Kwikset's lifetime mechanical and lifetime finish warranty Key Product Attributes: Passage Function: The latch bolt is always retracted by the lever on either side of the door. Ideal for hall or closet doors. Specifications: Backset: Adjustable 2-3/8" or 2-3/4" Cross Bore: 2-1/8" Edge Bore: 1" Door Thickness: 1-3/4", 1-3/8" Lever Length: 4.46875" Projection: 2.59375" Latch Faceplate: Drive-In, Round Corner, Square CornerAdditional Functions: 154HFLRDT (This Model) : Passage Leverset 155HFLRDT: Privacy Leverset 156HFLRDT-S: Keyed Entry Leverset 157HFLRDT: Single Dummy Lever Kwikset is a company that does not believe in settling for second best. They strive to provide their customers with only the best in quality and safety. For innovations that are designed to meet the need of the customer and technology that focuses on convenience and security, Kwikset is the last word in modern door hardware.