Vandoren CR1935+ V.12 Reeds Strength 3.5+ (Box of 10)V12 Bb clarinet reeds are made from cane tubes of the same diameter as the cane used for alto saxophone reeds. As a result, they have a thicker heel and are cut on a longer paddle with a slightly slender toe. Thicker heel with longer paddle for more vibration Deep, rich sound with the body on the attack due to the thicker end resulting in longer lasting reeds Also available in other strengths Each reed sealed in the 'Flow Pack' to ensure freshness.