The sax neck model has a flexible shaft so it conforms to the contours of all alto saxophone goosenecks. Designed to fit into the bore of a clean, dry neck while it"s in the case. At its San Fernando Valley facility, Rico has a state-of-the-art reed research center, and employs the collaboration of agronomists, scientists, and musicians to produce top-quality reeds that include Rico Reserve premium reeds for clarinet and saxophone. Rico reeds are designed to benefit all levels of musicians from the beginner to the seasoned professional. Many of the world"s finest clarinetists and saxophonists use Rico brand reeds, such as Anthony McGill, Mark Nuccio, Jessica Phillips, Jerry Bergonzi, Chris Potter, Benny Golson, Ernie Watts, Bob Sheppard, Walter Boeykens, Seiji Yokokawa, Philippe Geiss, Diastema Saxophone Quartet, and many more. For more information, visit RicoReeds.com