NOS made before Kaba merged with Ilco. Antique Brass Comes with key over ride core installed and includes a user key and a control key. Some light scratches on one side.As with most of these, setback is a 2 3/4. A lock with the key over ride is a must when there in only one entrance/exit. Most are not and it. The item "New NOS Kaba Simplex LL1021 Pushbutton Lock Key Over Ride Core Installed withKeys" is in sale since Friday, April 27, 2018. This item is in the category "Business & Industrial\Construction\Building Materials & Supplies\Doors & Fixtures\Locks & Locksets". The seller is "bake98" and is located in Oxford, Pennsylvania. This item can be shipped to United States.