The DAddarios Select Jazz Alto Sax reeds feature the thickest spine & blank of DAddarios jazz reeds with a traditional tip shape. They are designed for a wide variety of playing situations & so are cut using the most flexible grade of cane. These reeds are a much loved favourite among jazz musicians as they vibrate easily. The Select Jazz cut produces great projection & focus with Ricos upgraded machinery & state-of-the art process which have made the reeds more consistent than ever. These reeds have a strength of 4 Soft.