Quick change bearing based spool holder

I was frustrated with having to use a hex wrench to remove my spools from the bearing based holder I was using. This one uses super magnets to join the two sides, and springs to keep tension on the spool. It's pretty simple, and self guides as you push the two sides together. It's fully functional as it is now.

Here is a video of it in action: https://youtu.be/HKhCh__cVko

Updates:
I added a shorter shaft to take advantage of the shorter spring in the 4 pack from Home Depot.(Main-shor