Prefer to print your own shims?  Purchase the 3D files and print as many as your heart desires!

3D print files for shims in the following sizes are included:
 
0.5mm
1mm
1.5mm
2mm
3mm
4mm
5mm
Blank shim with no specific size.  Use your 3D printer program, or 3D CAD program to change the thickness to any desired size for your own custom shim!
 
Bonus 3D printable box to hold all the shims in place!