Dallas Rangemaster Treble Booster, Dallas Arbiter Fuzz face, Shin EI uni vibe, Shin-Ei Uni-Vibe, Octavia, Maestro FZ-1 Fuzz-Tone, Klon Centaur germanium diode. The unique wide skirt design and detailed specifications make these knobs a must-have for any serious guitarist looking to bring a piece of music history back to life.
