- Tip opening 7 - Material: FiberCarbon (fiberglass and carbon blend) - First non-metal Guardala mouthpiece of all times - Extremely light for best resonance and playability - With an innovative booster for more balanced and precise sound - Fatboy mouthpieces are "richer" than the original Guardala - CNC-milled - Incl. Rovner ligature and cap - Made in Germany EUR 325.00 - See more - Buy online