What to focus on when choosing a door lock

When choosing a door lock, to be guided by the principle of “affordable price — good quality” is not worth. Especially if the manufacturer is China or Türkiye, and even without a certificate confirming the reliability of the device. Therefore, it is unacceptable to buy a door lock in spontaneous markets or flea markets. By the degree of resistance to hacking, door locks are divided into 4 classes. The first is intended for home use inside the apartment/house. Second class locks are used in offices to lock out household premises. The third and fourth classes are distinguished by a high degree of protection. Their main task is to protect residential premises and premises with valuable things. It will not be superfluous to learn more about lunch groups on the Internet.