According to the needs of different applications, the door locks used in different environments have different priorities. In the general type of door locks for household use, the spherical door lock is a type of lock that everyone can use. The whole handle is a spherical shape. At present, the spherical door lock on the market is also very bold and innovative. The color is also specially treated. After the treatment of wire drawing, smooth and light can be showed on the surface. It is comfortable and convenient, and does not hurt the hand. However, this type of door lock is generally applied to the decoration of the door indoor. They generally  do not become the most important security door lock.