Features:*Made of high-quality material, and real looking to use*The lock core using multi-way lock principle,using a variety of institution of mechanical abnormity, stop lock from drilling and master key opening.*The Lock cylinder guard against robbery function effectively advanced the reliability and security of the lock,is your prefer for security.Specifications:Material:AluminumMounting Hole Dia:0.4cmColour: Silver TonePackage Contents:1 x Door Lock Cylinder3 x Keys1 x ScrewNote:1. The real colour of the article could also be slightly different from the pictures shown on web page caused by many factors equivalent to brightness of your visual display unit and lightweight brightness.2. Please allow slight handbook dimension deviation for the data.