AmpegAmpeg, founded in 1946 by Everett Hull and Stanley Michaels, is a manufacturer best known for its bass amplifiers.
GotohGotoh began manufacturing stringed instrument parts in 1960 and is the only machine head manufacturer in Japan. Their parts are sold worldwide and are a common choice of musical instrument makers.
Ampeg classic knob. D shaft. Original Ampeg replacement part.
Set screw. Designed to replicate an "aged" look.