The following parts are metal:

  • End fittings around the ball mounts
  • Fittings at the end of the carbon fiber sections.
  • Ball mounts and base supports
  • Fasteners (expect the winged thumb nut)
  • Metal bases

The following parts are plastic:

  • Winged thumb nut on the fixed arms.
  • Any 3D printed part - which is made of polyamide (nylon 12)