Carousel for 10 x needle files

So, I had some 608ZZ skateboard bearings lying around, and decided I needed a better way of organising my set of 10 diamond needle files I use for cleaning up prints so that I could more easily pick the particular file I wanted to use.

This should fit most needle files as long as the handle diameter is around 4mm (the holes in the holder are 5mm diameter). My files came with an awful rubber coating over their 3mm diameter bare metal handles, so I cut that off and replaced it with heatshrink t