81846 6-Way Core Deadlatch by Kwikset Hardware
The Kwikset Adjustable Core Deadlatch is designed to be used on Keyed Entry Functions. It is adjustable for 2-3/8" or 2-3/4" backsets. This core is designed to be used in conjunction with either a round or square corner faceplate or a drive-in collar.
The 6-Way Adjustable Latch fits square-corner, round-corner, or circular drive-in mortise and is adjustable for 2-3/8" or 2-3/4" inch backsets.
Backset: Adjustable 2-3/8" or 2-3/4". Door Prep: 1" or 7/8" Diameter Edge Bore.