Kwikset  Satin Chrome  Double Cylinder Dea *Finish: Satin Chrome *Material: Metal *Product Type: Double Cylinder Deadbolt *Width: 2-7/16 in. *Number in Package: 1 pk *Compatible Key Numbers: 0,1,2,3,4,5,6,7 *Commercial or Residential: Commercial *Height: 2-7/16 in. *Indoor or Outdoor: Outdoor *Packaging Type: Clamshell *Maximum Door Thickness: 1-3/4 in. *Door Direction: Left and Right *Number of Keys Included: 2 *Deadbolt operated by key on both sides *Includes two keys *Oneinch deadbolt throw *Lifetime mechanical and finish warranty *Easily installs in minutes with just a screwdriver *For use on exterior doors where keyed entry and security is needed *Model No. 665 26D