Cylinder features anti-pick, anti-drill, and anti-bump to give you peace of mind and proper home . door lock with features unique anti-bump that does，This ensures the turning of the cylinder key is extra smooth, while blocking access from bump keys. The lock cylinder can be adapted to most door types, including wooden doors, metal doors, UPVC doors, inner doors, front doors and most doors with keyholes. Enjoy enhanced without costly handle upgrades or extra devices with this cylinder door lock barrel. this approved door lock provides exceptional theft resistance against all forced methods of attack with anti-pick, anti-drill, anti-bump, anti-plug and anti-snap safeguards, providing extreme protection against unauthorised access to your patio doors., Manufacturer: EYZJQSTUV