Single Cylinder Keyed Entry Exterior Only: Exterior single cylinder handles feature the exterior finish of a set of working mechanical locks, and require an associated interior package for a complete installation. The single-cylinder handles lock and unlock from the outside with a key, and from the inside with an associated thumb turn. Features: BHMA Grade 3 Certified Safety Constructed from high-quality materials for long-lasting durability Installs easily with all necessary mounting hardware included Covered by a 5-year limited mechanical and finish limited life cycle. ADA Compliant Outer portion only, pair with JH59 inner package Specifications: Backset: Adjustable 2-3/8" or 2-3/4" Cross Diameter: 2-1/8" Bore Hole: 1" Thickness Door: 1-3/8" Door Thickness: 1-3/8" to 1-3/4" Delivery: Reversible Left or Right Cylinder: 5 Pin C Material: Zinc Mounting Center to Center: 5-1/ 2" Overall Height: 16-1/4" Handle Projection: 2-1/4" Cutout Height 16-1/4" Cutout Width 2-7/16"