Faultless DA1X21 Single Cylinder Round Low-Profile Deadbolt, Satin Nickel Latch features an adjustable backset to fit 2-3/8 inch or 2-3/4 inch backset Latch features a radius faceplate Fits door thickness of 1-3/8 inch to 1-3/4 inch Easy to install and replace with a Philips screwdriver Includes two (2) keys