Product Name: Deadbolt lock; Material: Brass, Stainless SteelFor use on exterior doors where key entry and security is requiredFeaturing rekey technology; Re-key the lock yourself in seconds in 3 easy stepsKey operated deadbolt outside and thumb turn insideStructure:Internal components are galvanized steel.The outer parts are made of stainless steel or copper.The outer ring of the lock head can be rotated freely and can play a burglar-proof function.Lock tab:Lock tab: anti-saw lock, extension is 25mm, made of die-cast zinc alloy, with built-in high-strength anti-saw lock cylinder.Lock and key:5-pin pure copper lock cylinder marble holes.Comes with 3 mechanical keys.Applicable door direction;Left and right opening doors are applicable.Door thickness: Suitable for door thickness from 35mm to 45mm.Center distance: adjustable at 60mm or 70mm.Function description:Single head lock has a knob inside, which can be opened and closed with a key or button.Product size: 65 mmProduct colour: silverScope of delivery: One piece