Callan Briona Single Cylinder Handleset with Interior TrimSingle Cylinder Keyed Entry:Single cylinder handlesets are keyed on the exterior with an associated thumbturn on the inside that unlocks the door. The exterior handle has a thumb plate and the interior handle features a lever or knob. Single cylinder locks are most commonly used to secure entrances to a residence or place of business.Features:Meets BHMA Grade 3 security requirementsAll-metal construction ensures durability that will last for years to comeFully 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 Mechanical and 5-Year Finish WarrantySpecifications: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 RightProjection: 2-7/16″Center to Center: 5″Grip Center to Center: 8-3/16″Latch Faceplate: Round CornerCylinder: 5 Pin KW1Material: ZincTechnical Specification Download