Rico Contra Alto Clarinet Reeds highly playable, versatile cut, and affordable price make it the first choice of band directors as well as working musicians. Rico's high quality reeds are designed for a wide variety of playing situations. The ease of play, affordable price and convenient packaging options are why more professional and music educators worldwide find Rico Reeds the best value. Rico Contra Alto reeds are designed for Contra Alto Clarinet, Contra Bass Clarinet and Bass Saxophone. Box of 10 reeds.