Dry Box Spool Mount and Feeder Mount

Parts for a dry box using a Sistema KLIP IT 1850 5L Container.
Designed around the following parts -
m6x65 bolt and nut - bolt with a round head 10mm in diameter and 3.5mm tall.
4x m3x8 flat head screws
4x m3x10 button head screws
2x 8x16x5 bearings
8x m3 nyloc nuts
PTFE Push Fit Adaptor for 4mm tube with 5mm thread
PTFE Teflon Tubing - 4mm outer diameter/2mm inner diameter
Also needed -
3mm and 8mm drill bits.

Multiple spool holders for different sized spools I've used have been