Of course with plastic abrasion...
I like the rather small size. They fit well in the hand and don't look as bulky as other models. The design is therefore very nice! They paint a little unevenly, but we are happy with them.
Prompt delivery, just the right grinders for the table.
It's not worth the price. It is more of a toy than suitable for everyday use. For the price, it should be twice as big and more stable.