Features:*Made of superb material, and reasonable to use*The lock core utilizing multi-way lock principle,using quite a lot of establishment of mechanical abnormity, prevent lock from drilling and grasp key opening.*The Lock cylinder guard against theft operate effectively progressed 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 genuine coloration of the thing could also be barely assorted from the pictures shown on web page brought on by many factors comparable to brightness of your visual display unit and lightweight brightness.2. Please allow slight handbook dimension deviation for the data.