Features: Make of Aluminum materials, not easy to rusts. Using multiple way lock principle, prevent lock from drilling and control key opening. Against theft function, effectively improved the reliability and safety of the lock. Effectively AntiSnap, AntiBump, AntiDrill. It is your first select for security. Specifications: Materials: Aluminum Size: 60mm/70mm Color: Silver Quantity: 1 Set Package Includes: 1Pc Door Lock Cylinder 3Pcs Key note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.