Eb Clarinet extension. These help make the Eb clarinet feel more like a C clarinet, and they help smooth out the longer notes on the lower joint. Overall just makes your Eb feel upgraded! 
This link is for the Buffet/Copeland model, Selmer model is purchased separately. 
Choose your color, currently we have black carbon fiber, copper, purple galaxy, and blue carbon fiber (cobalt)
**these are made as they are ordered. Turn around time before shipment is generally 48 hours **