u/mpl0004

I’m re-strapping a Wassily chair and I can’t separate the two halves of the chair sled base. Normally these would be sleeved together and set with a screw in one of these holes. However this is a vintage piece and there were no screws installed when I bought it. The sleeves appear to be rusted together and will not budge. I think I need some type of inverted vice that can interface with the two screw holes and drive them apart. Any ideas?