S&S action bracket knobs

[Granholm Bros.]

List:

I'm looking for three brass action bracket knobs for a Steinway K.  Anybody
have spares they could sell or know a source?  I have one of the four, and
thought I'd check with y'all before I head for a machinist.

Thanks

John Granholm
Granholm Bros Piano Rejuvanations
Roseburg, OR