made by Triode and Soundtastick are available
from Mouser ...
565-3760-0 3760-0 Pomona Binding Posts
15A 2500 VDC BLACK $2.94
565-3760-2 3760-2 Pomona Binding Posts
15A 2500 VDC RED $2.94
They aren't AudioPhool quality, but they good.
They look like this ...
