Replacement clear glass for Omega Glass 5" x 7" sheet film negative carriers as used in Omega E series enlargers. This glass is a single sheet to replace the bottom glass only. See separate listings for the standard upper glass and for the optional anti-newton upper glass.
For reference this glass has nominal dimensions of 125.5 x 185.5mm and 1.6mm thick (approx 4-15/16" x 7-5/16" x 1/16" thick) with square dressed edges.