The Mul-t-lock Knob Grade 2 Lockset offers an ANSI Grade 2 locking mechanism, UL Fire Rated Latch, and Bump Proof High-Security Cylinder. The cylinder mechanism is Mul-t-lock’s unique, high precision up to 10 telescopic pin tumbler system that is picked and drill resistant for high-security needs.
It is Mul-t-lock professional-grade security for your home. Arrow, Yale, or Taco knobs with Mul-t-lock cylinders provide superior protection against forced entry. This is perfect for home or office security.