Materials:
1x DIN912 M10x100 (need to cut to length) V2A or V4A
1x M10 Washer V2A or V4A
2x DIN912 M4x30 V2A or V4A
maybe 1-2 M4 washer V2A or V4A

tap M10 and M4

Glue for fixing the M10 thread in the handle, fixing the thread in the Hexagon (this is the brake) and fixing the thread in the spool (cylinder is the crank)

This reel should hold 340m of 2mm rope.