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Grade Certification

The grade of locksets is based on a series of tests done by ANSI (American National Standards Institute). These tests determine the durability and level of security protection of the lock.

  • Grade 1 certification—a commercial quality lock designed for heavy use in commercial and public buildings.
  • Grade 2 certification—the best residential quality lock, designed and built to offer excellent security and durability for most residential applications and some light commercial applications. Grade 2 certification is highly recommended for acceptable home security.
  • Grade 3 certification—the minimal acceptable quality for residential door locks. Most locksmiths recommend Grade 2 certification for all residences.

Our Grade 1 Maximum Security Deadbolts and Maximum Security Handlesets provide the highest level of security to homes.


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