Kwikset Signature Square Entry Door Lock, Design: Halifax, Security Grade: AAA, Lever Handle, Backset Type: Adjustable, Backset Size: 2-3/8 to 2-3/4 in, Edge Bore Diameter: 1 in, Cross Bore Diameter: 2-1/8 in, Door Thickness: 1-3/8 to 2-1/4 in, Number of Cylinders: 1, Keyway Type: KW1, SC1, Key Type: Keyed, Re-Key Technology: SmartKey, Latch Type: Adjustable, Door Handing: Reversible, Screw Mounting, Zinc, Matte, Black, Projection Size: 2-3/4 in, Suitable for: Left and Right Handed Doors, Includes: (2) Keys