Two keys will be per lock. Three or more items keyed alike will ship a total of 6 keys 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 3 security requirements Constructed of solid brass for durability and dependability Covered by Sure-Loc's 5 year finish and limited mechanical manufacturer warranties Fits all standard door preparations Product Technologies: Solid Brass Construction: This product begins with raw bars of solid brass which are heated, and pounded into specially made dies—producing a stronger, more substantial product. The difference between lesser metals and heat forged brass is noticeable the minute you hold it in your hands—solid brass is heavier, smoother, and naturally resists corrosion. Specifications: Backset: 2-3/8" Cross Bore: 2-1/8" Edge Bore: 1" Door Thickness: 1-3/8" to 1-3/4" Handing: Reversible Left or Right Handle Length: 4-3/4" Handle Projection: 2-1/2" Trim Width: 2-3/8" Trim Height: 10-1/4" Latch Faceplate: Drive-In, Round Corner, or Square Corner Cylinder: 5 Pin KW1