Silverstein ESTRO Clar M / Alto S, Ligature, For alto saxophone mouthpieces made of plastic or rubber, Size: Small, Synergetic resonance with the mouthpiece, Enhances the fundamental and overtones, Stronger projection, Fast and precise response, Colour: Champagne gold, Includes Omni capsule, interchangeable pads, user manual with warranty card, Handmade in the USA@+*Suitable for the following alto saxophone mouthpieces:*@+@+, AW Reeds: Tendo 7, J&D Hite: Premiere, Otto Link: Eburnated Bar, Tone Edge, Selmer: S80, S90, Super Session, Soloist, Ted Klum: VersiTone Model L, Theo Wanne: Gaia, Kali, Vandoren: V5, V16, Optimum AL3, Yamaha: 4C, Yanagisawa: Hard Rubber, Also suitable for all common Boehm clarinet mouthpieces