1960s German Hopf Fasan Isana guitar bass trussrod nut & washer

1960s Hopf Gemelli Marinucci Diamond Polverini - 6 inline - guitar tunerset including covers

1960s Hopf Saturn 63 guitar tone volume pickup selector unit, made by Schaller in Germany

1950 60er Hoyer Special achtop guitar tuner mechanik, made in Germany

1970s Hoyer bass guitar bridge, made in Germany

Modern Hoyer archtop guitar tailpiece saitenhalter, made in Germany

1950-60s Hoyer guitar bridge, made in Germany

1960-70s Hoyer guitar bridge, made in Germany

1960-70s Hoyer archtop guitar bridge, made in Germany

1950-60s Hoyer Grimshaw archtop guitar tuner, made in Germany

1960 70s Hoyer Huttl Fasan Hofner Klira guitar bridge & tailpiece saitenhalter, made in Germany

1970s Hsin Mi guitar bridge, made in Korea