Kwikset Signature Vestibule Door Knob, Commercial/Residential: Commercial, Security Grade: 2, Backset Size: 2-3/8, 2-3/4 in, Design: Abbey, Backset Type: Adjustable, Edge Bore Diameter: 1 in, Cross Bore Diameter: 2-1/8 in, Door Thickness: 1-3/8 to 1-3/4 in, Cylinder Type: 5-Pin, Number of Cylinders: 1, Keyway Type: KW1, Key Type: Keyed, Re-Key Technology: SmartKey, Latch Type: 6-Way Adjustable, Faceplate Size: 1 x 2-1/4 in, Strike Type: Full Lip Round Corner, Strike Size: 2-1/4 in, Bolt Throw Size: 1/2 in, Door Handing: Reversible, Zinc, Satin Chrome, Projection Size: 2-11/16 in