Vandoren SR412 Alto Sax ZZ Reeds Strength 2; Box of 10 Combines medium-thick heart, spine and rounded tip of V16 reed with the flexible platte design of the JAVA reed Also available in other strengths Every reed sealed in 'Flow Pack' to ensure freshness. Immediately responsive without sacraficing the brightness or tone quality required for this style of music The unique relationship between the heart and tip provides extaordinary color, great response and a durable life