Matte Black Square Single Cylinder Deadbolt Lock, 6 Pack, Home Security Door Lock, Front Door Deadbolt for Office, Keyed 1 Side

High Security - The door deadbolt comes with a thickened anti-theft solid latch. It can be locked with keys from the outside or the turn button from the inside. Strong & Durable - The ANSI/BHMA Grade 3 deadbolt is made of a solid brass lock cylinder, zinc alloy lock body, and bolt. The square deadbolt is fully reversible for both left- and right-handed doors, with anti-rust matte black plating. Wide Uses - The deadbolt lock with keys is suitable for most commercial or residential front doors and exterior entrances. Adjustable - The front door lock includes a 2-3/8" to 2-3/4" (60-70mm) adjustable latch and can fit doors with a thickness from 1-3/8" to 1-3/4".

All Same Keys - These 6 keyed-alike door locks include 18 same keys, which means you can use only 1 key to open all of the deadbolts and handle locks