Vandoren SM824GMKO T8 Med Chamber V16 Metal Tenor Sax Mouthpiece w/ Optimum Ligature Kit Particularly recommended for use with the JAVA Red and V16 reeds #3. Medium tone chamber Tip Opening - 277 (1/100mm) Long Facing Works best with Vandoren #2.5-#3 Reeds Includes Optimum LC080P Ligature & Cap