Here is a nice USB stick with cryptex combination lock.

• Blender 2.8 setup video.

I created this USB stick in Blender 2.7x for a project that will be published someday.
For texturing I used 3D-Coat (17. Juni 2017).

Sketchfab 3d and animation preview

Downloads:

• Blendswap
• Free3d
• Cubebrush
• CGTrader