Vandoren V21 Clarinet Reeds, Size 2.5, Box of 10 The Bb clarinet V21 reed combines the shape of a 56 rue lepic reed with a V12 profile. This unique combination makes all registers of the clarinet more accessible with warmth and a depth of sound. It will allow you to play with amazing presence and immediate response. V21 is the perfect reed for performances that require the ability to handle large interval leaps efficiently with an even and rich tone.