Mounting screws for Western Electric C series ringers, and similar ringers from Leich Electric.
Perfect duplicates of the originals, no "improvements" that just don't work.
Mounting Screws for the C4 ringer.
The C4 ringer was in your 500 and 2500 series telephones made by Western electric, Stromberg Carlson and ITT.
Perfect duplicates of the originals, no "improvements" that just don't work.
Perfect, just as good as Ma Bell's.