Gettysburg Satin Nickel Passage Lever set Doorknob BX* Adjustable backset latchbolts 2-3/8" to 2-3/4"* Fits wood & metal doors from 1-3/8" to 1-3/4" thick* Installs in standard 2-1/8" installation hole* Lever is ADA compliant* Eternity Finish* Grade 3* Lifetime limited warranty