Stanley Best 9K Series Grade 1 Cylindrical Lockset Less Core with 16C Style Lever

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.