Boston beveled top knob, with white indicator
Boston pointer knob, chicken head model, black
Boston tea cup knob, Hofner violin bass 1963 model, gold and ivory, with set screw allen type
Boston knob, Jocker bass, black, large
Boston knob, Jocker bass, black, small
Boston knob, Jocker bass, black, with set screw, large
Boston knob, Jocker bass, black, with set screw, small