Features:*Made of advantageous material, and practical to use*The lock core utilizing multi-way lock principle,using a variety of establishment of mechanical abnormity, forestall lock from drilling and grasp key opening.*The Lock cylinder guard against robbery operate efficiently progressed the reliability and security of the lock,is your favor 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 may be barely various from the photographs shown on website caused by many factors equivalent to brightness of your video display and light brightness.2. Please allow slight guide dimension deviation for the data.