bought some various Intermediate rings/step down rings, and have gone a different route, so these are up for sale.
They are in brand new condition:
110mm - M77 Part # 411-77 Screw On $75.00
110mm - 100mm Part # 411-46 $75.00
130mm - 110mm Intermediate Ring Part # 411-60 $145.00
110mm - M82 # 411-82 Screw On $75.00
Please email or Pm directly.