The high-quality cylinder without costly handle upgrades or extra devices with this door lock barrel. to give you peace. These door locks feature four hardened steel anti-drill pins on each side. All moving pins are made from nickel plated hardened steel with a minimum ultimate durability that will keep intruders from gaining access with additional tools. The cylinder lock features an design with a minimum of three pins in each side, making it extremely difficult for common burglars to pick the lock. protection to give you peace of mind and proper home security. Smooth surface, bright color, and good performance These door locks are suitable for all door types including wooden, metal, UPVC, patio door lock, composite doors. They can be used as replacement locks or where new installation is required. These door locks are suitable for all door types including wooden, metal, UPVC, patio door lock, French door and composite doors. They can be used as replacement locks or where new installation is required., Manufacturer: DUBTEDHOU