The 9K Cylindrical Lock Offers Simple, Safe and Dependable Protection.

The BEST 9K is the toughest cylindrical lock, built to deliver dependable use and superior security in a wide range of applications.

What sets the 9K apart is a low-maintenance design that protects critical components from the damage that comes with every day use and abuse. That translates to a lower cost of ownership over time since the BEST 9K lock requires significantly less maintenance and lasts longer overall. With proven Grade 1 security, easy core interchangeability, and a broad array of styles and finishes, the BEST 9K fits exactly where you need it.