H&H - level 5 - A brainteaser of the brand Huzzle, the new name of Cast Puzzle

The brain breakers of Huzzle Cast puzzles all have the same challenge:

Can you take the puzzle apart? And, do you get the puzzle back together?

Enjoy the beautiful quality of the metal product. Perfectly finished!

This brain crusher consists of 2 parts. They seem identical, but... they are not. And that gives this puzzle its level of difficulty from 5 to 6. Design by the Dutchman Oskar.