Kwikset Signature Series 780 Deadbolt, Design: Traditional, Security Grade: 2, Number of Cylinders: 2, Cylinder Type: Pin, Tumbler, Keyway Type: K3, KW1, Key Type: Keyed, Strike Type: Round, Square Corner, Strike Size: 1-1/4 x 3-5/8 in, Backset Type: Adjustable, Backset Size: 2-3/8 to 2-3/4 in, Latch Type: 6-Way, Adjustable, Throw Length: 1 in, Cross Bore Diameter: 2-1/8 in, Edge Bore Diameter: 1 in, Projection Size: 1-1/8, 15/16 in, Door Thickness: 1-3/8 to 1-3/4 in, Interior Locking: Key, Zinc, Satin Nickel, Dimensions: 2-5/8 in W x 2-5/8 in H, Includes: (2) Keys, Latch, Strikes and Screws