Callan Bennett Grade 3 Entrance LeversetKeyed Entry (Single Cylinder) Function:Keyed entry (single cylinder) door lever sets are keyed on the exterior with an associated thumb turn on the inside that can quickly and easily lock or unlock the latch mechanism. Single cylinder units are commonly used on a front, side or back entrance but can also be found on interior doors as well, depending on application.Features:Meets BHMA security grade 3 requirementsMade of durable zincFully reversible handing for left or right handed applicationsDesigned for an easy one person installationComes standard with a round corner latch faceplate and 1/2" throwIncludes a limited lifetime warranty on mechanical parts and a five year warranty on finishMeets the requirements for the American's with Disabilities Act (ADA) requirementsSpecifications:Backset: Adjustable 2-3/8" or 2-3/4"Cross Bore: 2-1/8"Edge Bore: 1"Door Thickness: 1-3/8" to 1-3/4"Handing: Reversible Left or RightLever Length: 4-1/8"Projection: 1-15/16"Latch Faceplate: Round CornerCylinder: 5 PIN KW1Concealed Screws: NoMaterial: ZincTechnical Specification DownloadInstallation Instructions Download