Just caps for the hex drivers with numbers so you will know what size you got when you grab them :P.
They all have different inner Sizes I made 2 Versions
Version 1 = 12.9mm
Version 2 = 14mm
print them with a Pause at the 3rd Layer and change filament :P
Printer:
Craftbot Plus
Rafts:
No
Supports:
No
Resolution:
0.2
Infill:
100
Filament: OWL-Filament PLA Black & White