Cylinder - level 4 - 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!

The solution for opening this cylinder lies deep in the lock. No hints from the outside! Can you take on the challenge? And, just as important, do you get the puzzle put together again afterwards? Design by Vesa Timonen from Finland.