Security lock with manual deadlocking by reverse turn of the key in the outside cylinder. Key operation from outside and lever handle on the inside. Deadbolt operation only with no intermediate latching action. Key operation from the outside. Turn handle operation from the inside. Finish: Dark Metallic Grey Height 70mm, Width 92mm, Bolt length: 20mm Door Thickness: 35-60mm Backset 60mm 2 year guarantee