Weiser Safelock Matte Black Round Deadbolt Lock, ANSI/BHMA Grade 3 Certified Front Door Lock, Bump Proof & Anti-Theft Exterior Door Lock with Key, Traditional Door Locks for Entry Door, Satin Chrome

[SINGLE CYLINDER DEADBOLT] This single cylinder deadbolt is for exterior doors where keyed entry and security is needed. Features a 1'' deadbolt throw, and can be locked or unlocked by a key on the outside, or the turn piece on the inside.

[EASY INSTALLATION] Easily installs in minutes with just a screwdriver. It has an adjustable latch to fit all standard door operations.

[EASY TO USE] Locking mechanism functions with turn piece on the interior of the lock

[DOOR SPECIFICATIONS] Fits door thickness 1-3/8"-1-3/4"; Latch Backset 2-3/8" - 2-3/4"; Cross Bore 2-1/8"

[CERTIFICATIONS] ANSI/BHMA Grade 3 Certified