KW1 Highland Combo Knob and Deadbolt Single Cylinder Keyed Alike Satin Nickel. This Highland style knob lock features a Kwikset-type pop-out cylinder for easy service. Adjustable backset of 2-3/8 inches or 2-3/4 inches. Fits doors from 1-3/8 inches to 1-3/4 inches thick. Includes all mounting hardware. These are durable, attractive locks with excellent latch mechanisms that are carried by many independent lumber yards for new home construction. HL2204811