NuSet 2-3/8" Backset Commercial Grade 2 Entry Latch (Polished Brass), UL Listed Entry latch with 2-3/8" backset and 1/2" stainless steel throw Ideal for cylindrical door knobs and lever handles Fit most doors thickness between 1-3/8" to 2" 1-1/8" x 2-1/4" Square corner faceplate finished in polished brass ANSI commercial grade 2 certified; UL 3-hour fire rating