Highlights:Finish: Satin ChromeMaterial: SteelGrade: 3 GradeStyle: TyloDoor direction: Left or right handedKnob or lever bore hole diameter: 2-1/8"Faceplate material: ChromeBackset dimension: Adjustable 2-3/8 to 2-3/4"Indoor and outdoorLockset type: Keyed entryMinimum door thickness: 1-3/8"Maximum door thickness: 1-3/4"Number of keys included: 2 eachKnob or lever throw length: .7.5Commercial or residential: ResidentialModel No. 400T 26DLatch has adjustable backset to fit all standard door preparationsLocking mechanism functions with turn piece on the interior of the lockFeaturing SmartKey Re-key technology which is compatible with Kwikset (KW1) keywayKeyway K6Lifetime mechanical and finish warrantyFor use on exterior doors where keyed entry and security is neededANSI/BHMA Grade 3 certifiedEasily installs in minutes with just a screwdriverClear pack