Manufacturer Part Number: LL1021B-26D-41|Lockset Type|Combination Entry with Key OverrideKey Type|Back Set|2-3/4Cylinder Type|7 Pin; For Best/Falcon I/C-CoreMaterial|Brass; ZAMAKDoor Thickness|1-3/8 to 2-1/4Finish|Satin ChromeFire Rating|Faceplate Width (Decimal Inch)|For Use With|1-3/8 to 2-1/4 in Thickness DoorsFeatures|Strike Type|Includes|Lockset Grade|Grade 1Standards|Performance|Heavy-DutyNumber Of Keys|Series|Simplex L1000Number of Codes|Additional Information|Lock Override|Design|LeverHandling|LeftHandle Length|Handle Length (Decimal Inch - 4 Decimals)|Product Service Code|UNSPSC Code|