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: aluminumColor: silverSize: 8.9*2.9cmPackage Included:1 x Door Lock Cylinder3x Keys1 x ScrewNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Due to personal measurement technique is different, there may be 1-3 cm error of the physical.Thank you!