The padlock is divided according to the unlock mode
1. Jacking padlock: refers to the key in the lower part of the lock, and the lock beam (lock hook) is jacked out after the lock is unlocked.
2. Open the padlock directly
3. Open the padlock horizontally: as shown in the third picture
4. padlock shackle (also known as giant padlock)
5. Password padlocks: padlocks opened with keys are not suitable for high mutual opening rate, especially for small padlocks.