Vintage Aluminum Level Replacement Vial Cover Ring 1 1/4" Round 1 7/8"

Description

Vintage Aluminum Level Replacement Vial Cover Ring
1 7/8"  Outside Diameter
1 1/4" Inside Open area Diameter
Distance between mounting Holes is 2 1/8"
Sale is for the "Aluminum Ring only" as shown .  I do not have any other associated parts such as the glass, vial, vial holder or screws. It is as found in a old hardware store.
New Old Stock -
Unknown Brand   -    I do not know the brand this ring fits.  I found the ring in a very old hardware store. I have been unable to confirm what level it was used on.
If anyone has any specific details on this ring, I would appreciate it if you could let me know.
Inv # 302-905