Enjoy enhanced without costly handle upgrades or extra devices with this cylinder door lock barrel. The quality cylinder features anti-pick, anti-drill, and anti-bump protection to give you peace of mind and proper home . They can be used as replacement locks or where new installation is required.corrosion resistance and is not easy to rust. Enjoy enhanced without costly handle upgrades or extra devices.Significantly enhances the anti-theft and ease of use of the lock cylinder. And suitable for a wide range of doors including wooden, composite, UPVC, aluminum doors., Manufacturer: CGJseFH