This spare set of 3 pressure plates for ligation leather Vandoren clarinet Bb / Bb. - The metal plate promotes its stamped and compact. The combination of a metal plate and a ligation flexible allows you to benefit from the unique qualities of to these two materials. - The insert in smooth leather, the same leather as that of the ligation, gives you a compact and lightweight darker. - The insert in smooth leather "soft" produces a round and ample. With this system patented by Vandoren 3 pads of pressure, interchangeable you can modulate your sound.