Aibay Plated Eb Alto Saxophone Metal Mouthpiece + Cap + Ligature Gold #7 Metal ligature offers secured holding of the reed,Metal material ensures mouthpiece's longevity This Eb Alto Saxophone mouthpiece have perfect intonation, and good quality, instructor approved Design facilitates harmonics, streamline ensures player's comfort Features a high baffle design with special tone chamber for fast response Excellent dynamic range and a bright sound