Baldwin Prestige Alcott Half-Dummy Knob in Satin Nickel Baldwin Prestige offers effortless, accessible style and luxury with superior security Classic-round traditional design shown in a polished brass finish Lifetime mechanical and finish warranty This is nonfunctioning knob with exposed screws that does not turn and is most commonly used on interior doors where a push or pull function is required Fits standard door preparations: 1-3/8" to 1-3/4" thick