Features:*Made of positive material, and practical to use*The lock core utilizing multi-way lock principle,using a wide range of institution of mechanical abnormity, prevent lock from drilling and master key opening.*The Lock cylinder guard against robbery function efficiently 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 genuine colour of the item could also be barely varied from the photographs proven on web page brought on by many points corresponding to brightness of your visual display unit and lightweight brightness.2. Please allow slight manual size deviation for the data.