Schlage F170VSIE619 Satin Nickel Siena Single Dummy Knob has dummy trip for one side of door. Used for door pull or as matching, inactive trim. Lever is non-keyed. Both levers are always unlocked. Universal latch fits 2-3/8” or 2-3/4” backsets. Triple option latch fits square corner, radius corner or circular drive in applications. Full lip strike. Viskpack. ANSI F75, grade 2.