Simmon Omega D type 2x2 double glass rapid shift negative carrier

Description

This is a
Simmon Omega 2x2 double glass rapid shift Negative Carrier
for Omega D2 & 3 series enlargers.
The carrier has some slight signs of use, but the glass is fine, no marks or scratches. The opening measures 55x55mm.
The width between the negative guides is 2.437 inches (62mm).
The width of the carrier is 7.5 inches.
The plates are perfectly flat.
The glass does appear to be anti-Newton.
The cardboard container has wear.