<ul> <li>Morgan Excalibur tenor saxophone mouthpieces are made from the finest pure hard rubber</li> <li>The mouthpiece rubber's formula is exclusive to the Morgan Company and is the same formula used by top mouthpiece makers from the 1920s to the 1950s</li> <li>It is made solely from rubber with no synthetic additives</li> <li><br /><br />Excalibur saxophone mouthpieces feature a round chamber with a smooth rollover baffle</li> <li>They have a long S-curved roof to produce that pop you want without sharpness in the palm keys</li> </ul>