This is not a bench, but a good storage idea for antron yarn (plus other spooled material). The good news is that both components are made in USA.
I was so sick of pulling/pushing those pink plugs into the spools I came up with this idea. I use it for antron, wire and some types of tinsel.
The grommets are from Wester Rubber Supply. The item number is MR-200-1089, 1/16" GROMMET 60 SBR. I used a 13/64 drill, but 7/32 might work OK.
Hope you like it.