The high-quality cylinder features anti-pick, anti-drill, without costly handle upgrades or extra security 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 anti-pick design with a minimum of three anti-pick pins in each side, making it extremely difficult for common burglars to pick the lock. and anti-bump protection to give you peace of mind and proper home security. 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. Installation is quick and easy.effectively improve the reliability and security of the lock, and it is your first choice for safety., Manufacturer: KUAYEOCF