Description Product OverviewKwikset 660 Deadbolt, Design: Contemporary, Security Grade: 3, Number of Cylinders: 1, Cylinder Type: 5-Pin, Keyway Type: KW1, Key Type: Keyed, Re-Key Technology: SmartKey, Strike Type: Round Corner, Strike Size: 1 x 2-1/4 in, Backset Type: Adjustable, Backset Size: 2-3/8 to 2-3/4 in, Latch Type: Round Corner Adjustable, Faceplate Size: 1 x 2-1/4 in, Throw Length: 1 in, Cross Bore Diameter: 2-1/8 in, Edge Bore Diameter: 1 in, Projection Size: 1-1/16 in Exterior, 27/32 in Interior, Door Thickness: 1-3/8 to 1-3/4 in, Door Handing: Reversible, Commercial/Residential: Residential, Zinc, Satin Nickel, Dimensions: 2-7/16 in H, Includes: (2) KeysProduct DetailsBackset Size: 2-3/8 to 2-3/4 inBackset Type: AdjustableCommercial/Residential: ResidentialCross Bore Diameter: 2-1/8 inCylinder Type: 5-PinDesign: ContemporaryDimensions: 2-7/16 in HDoor Handing: ReversibleDoor Thickness: 1-3/8 to 1-3/4 inEdge Bore Diameter: 1 inFaceplate Size: 1 x 2-1/4 inFinish: Satin NickelIncludes: (2) KeysKey Type: KeyedKeyway Type: KW1Latch Type: Round Corner AdjustableMaterial: ZincNumber of Cylinders: 1Projection Size: 1-1/16 in Exterior, 27/32 in InteriorRe-Key Technology: SmartKeySecurity Grade: 3Strike Size: 1 x 2-1/4 inStrike Type: Round CornerThrow Length: 1 inFeaturesThis single cylinder deadbolt can be locked or unlocked by a key on the outside or the turn piece on the insideFeatures adjustable latch and deadbolt to fit all standard door preparationsAdd to a keyed knob or lever for additional securityFeatures SmartKey security, which protects against advanced break-in techniques and allows you to re-key your lock yourself in secondsSmartKey Security⢠re-key technology is compatible with Kwikset (KW1) keywaySmartKey cylinders feature a stainless steel side locking bar, racks and pins for increased strength and securityPatented side locking bar technology offers improved security by protecting against lock bumping, an attack technique used to defeat conventional pin and tumbler locksSpanish DescriptionTAPA P/CAJA DE USO GENERAL 1 INTERRUPT ACERO