These are inserts to fix wear issues with the EEW Nano 2.0 orifice hole. These files are not needed with the EEW Nano 2.1

The metal ones I ordered them www.craftcloud3d.com using a Stainless Steel SLM process.

You can get the files I used for 3D printing here: https://www.printables.com/model/8093...

Here is where you can learn more about ordering 3D prints for my products (I don't sell 3D prints, but there are some others that do). https://www.dreamingrobots.com/eew3d...

If you want to learn more about my tools for fiber users you can do that here: https://www.dreamingrobots.com/