Single Cylinder Keyed Entry: Single cylinder keyed entry door hardware is locked and unlocked from the exterior using a key and can be locked and unlocked from the interior using the locking mechanism. Perfect for securing entrances, side doors, and anywhere else that needs a bit more security. Features: Tested to exceed ANSI/BHMA Grade 2 security requirements Constructed of solid brass for durability and dependability Installs easily with all necessary mounting hardware included Covered by Baldwins limited lifetime manufacturer Specifications: Backset: Adjustable 2-3/8" or 2-3/4" Cross Bore: 2-1/8" Edge Bore: 1" Door Thickness: 1-3/8" to 2" Handing: Reversible Left or Right Handle Length: 4-1/4" Handle Projection: 2-3/8" Trim Width: 2-9/16" Trim Height: 5" Product Weight: 3 lbs. Latch Faceplate: Round Corner or Square Corner Cylinder: 5 Pin C