This spool mount will handle spools with a 40-60mm hole in the center and up to 70mm wide. If you have wider spools, you can just use a longer rod. 100mm rod works for 70mm wide spool. Designed to connect to V-Slot rail. Uses standard 608zz bearings and an 8mm 1.25 threaded rod. Picture shown is with a custom made rod that is 8mm with a 5mm thread on one end..Also have included a mount for a straight 8mm threaded rod.
You will need:
2 - 608zz bearings
2 - 8mm Nuts
1 - 8mm x 100mm Threaded Rod (Length can vary depending on size spools)
1 - 8mm washer