Vandoren CR1935 Bb Clarinet V.12 Reeds Force 3.5 (Box of 10)V12 reeds for Bb clarinet 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 thicker toe than the traditional. The longer paddle means more of the reed vibrates, resulting in a deeper, richer sound. The thicker end gives body to the attack and also increases the longevity of the reed. Thicker heel with longer paddle for more