US Patent No. 11,538,446
 
Features:
 
Reed Slot: The upper shoulder of our Eb barrels are cut-back allwoing you to use Bb clarinet reeds without having to cut them shorter.
Three length options: 
Short:  39.5mm-42mm
Medium:  41mm-43.5mm
Long:  42.5mm-45mm
Patented Haptic Feedback Adjustment:  Allows you to easily know your length at all times - without having to look. 
Patented Bore: Provides improved intonation and core sound throughout the entire range of motion.
 
Tune on the go - with precision, repeatability, AND ease.  The BEHN Haptic Adjustable Eb Barrel is an especially important tool to have - especially when playing such a challenging instrument.  It really will improve your quality of life.  If Eb is important to you, then the BEHN Eb adjustable barrel is simply a no brainer.  
 
Available in three discrete length options we've got an Eb adjustable barrel everyone.  Featuring the same Haptic Feedback of our very popular Bb/A barrels, our BEHN Patented design gives you instant awareness of your length setting.  The sound is focused and resonant, and the intonation is stable throughout the entire range of motion.  You'll find that our heavier metal center rings will add power, core, and "autofocus" - which allows you to relax more without having to muscle your sound in place.  It's easier!  The lighter weight Delrin center ring and Aluminum rings provide fast nimble handling, and a low mass option for those interested in reducing the weight of their instrument.  For added power - go with Stainless Steel or Brass, for added lightness - go with the Delrin center ring options.  For something between the heavier metals and the lighter plastic - go with Aluminium.  Whatever you choose, you'll be amazed but how this barrel will change your playing experience.