2020 Filament roller for 608 bearings

The split pins on fixitnate's version has a problem with snapping - likely a combination of direction of print and the fact that only the top half of the pin holds the weight of the spool. This version has a solid pin to try to add a little extra strength at the expense of the superior retention of the split pin. These won't fall off in normal use, but the bearings are able to pull off more easily (one kept falling off while I was trying to snap it on the rail).The upside is that these can be us