Features:Made of good quality material, not easy to rust.Using multi-way lock principle, prevent lock from drilling and master key opening.Against theft function, effectively improved the reliability and safety of the lock.Effectively Anti Snap, Anti Bump,Anti Drill.It is your first choice for security. Specifications:Material: AluminumSize: 60mm/70mm/80mm/90mmColor: SilverQuantity: 1 Set Note:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:(No retail package)1 x Door Lock Cylinder3 x Keys