Kwikset Signature Entry Door Lock, Lever Handle, Matte Black, Zinc, Keyway Type: SC1, KW1, Re-Key Technology: SmartKey, Commercial/Residential: Residential, Security Grade: AAA, Door Handing: Left, Reversible, Right, Includes: (2) Keys, Design: Singapore, Square, Number of Cylinders: 1, Door Thickness: 1-3/4 in, 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, Strike Type: Round Corner, Latch Housing Diameter: 1/2 in, Throw Length: 1/2 in, Projection Size: 2-1/4 in, Dimensions: 2-1/4 x 4-7/32 x 2-11/16 in, Screw Mounting
