Best 9K37AB14DS3626 Satin Chrome US26D Grade 1 Entry Entrance 9K Cylindrical Summit Style IC Core Lever Lockset, specially designed for Small Core Interchangeable Cores, core is sold separately. The Best 9k series locks have been tested to over five million cycles, exceeding ANSI grade 1 requirements by over five times. This lever features a 2-3/4" backset, it fits doors 1-3/4" or 2-1/4" doors, and it requires a 2-1/8" diameter across bore hole.

Entrance: Latchbolt operated by lever from either side. Outside lever locked by push button from inside. Unlocked by key from outside or rotating inside lever. When outside lever locked by push and turn button from inside, key from outside or rotating inside lever retracts latch, does not unlock outside lever.