BEST 9K30N14DS3613 9K Series Grade 1 Passage Lock, Oil Rubbed Dark Bronze

9K SeriesHeavy Duty Cylindrical Locks The 9K has long been a top choice for its quick installation, safety and durability. Now, we?ve made it an easy choice, too, by updating it to house most large format interchangeable cores. Just slide the existing core out of the lock you?re replacing, install the new 9K, and slide the old core back into the 9K lever. No assembly, drilling or re-keying required. It?s the easiest upgrade you?ll ever make. Features: For versatile applications, lever by knob trim variations are available. Rose locking pin and rose assembly design