Can I order a monopole magnet?

Answer
I’m sorry, I can’t!
There must be n and S poles (North and south poles) in the magnetic field, so it is impossible to make a monopole magnet.
The so-called monopole magnet in the market usually refers to the use of its monopole magnetic force. In fact, the other pole still exists.
For example, the magnet uses N-pole, and the S-pole absorbs the iron sheet, so that the magnetic force falls on the iron sheet, so the S-pole magnetic force through the iron sheet will be greatly reduced.
This design will feel that the N-pole magnetic force is very strong and the S-pole magnetic force is very weak.