Transform your hex key to hex screwdriver !

You can transform a simple hex key to a screw driver ! It becomes easy to handle and it limits over-tightening risks.
No additional part required


  • Screwdriver 2mm & 2.5mm size hexagon
  • Screwdriver 2.5 & 3mm size hexagon

Feel free to suggest any modification.

Assembling instruction:

You need only to insert hex key and clip printed parts together.

Print settings:

Printing is very easy:

  • No support
  • 20% infill
  • Printed with PETG or PLA

Prusabox mount:

Mount use the same screw as inside spool holder.