Product details:

Single cylinder deadbolt operates with a key on the exterior and a thumb turn on the interior. For use on exterior doors where additional security is needed. ANSI/BHMA Grade 1 Security Deadbolt - Meets the highest industry standards. Biggest bolt diameter for maximum kick-in resistance and hardened steel deadbolt core that spins to resist saw attacks. Exterior one-piece construction with integrated anti-pick/pry shield helps protect against crowbar and hammer attacks. Unique Snap and Stay deadbolt design for a hassle-free installation. 5 minute install means fewer parts and simple 3 step process and adjusts to fit all standard door preps.