Vandoren V21 B♭ Clarinet Reeds ・Thickness: 3.5 ・9 reeds Opened and tested. Excellent compatibility with the BD series!! For those who wanted to try them, or those looking for an affordable price, how about it? Soaked in water for 5 minutes twice, then lightly tested, washed again, dried, and stored. - Brand: V21 - Size: B♭ Clarinet Reed - Strength: 3.5 Thank you for viewing.