yamaha ycl-255 standard bb clarinet bb clarinet yamaha ycl-255 standard bb clarinet bb clarinet. the yamaha ycl-255 is a newly redesigned bb clarinet with a matte abs resin body, nickel-plated silver keys, 65mm barrel, and an adjustable thumb-rest with strap ring. it ships with the cl-4c mouthpiece.the ycl-255 combines state-of-the-art production expertise with high-end yamaha clarinet features. the result is an outstanding entry-level instrument that delivers a warm, resonant tone that is remarkably similar to that of a wood clarinet. it features an abs resin body with a matte finish that imitates the look of a wood clarinet and an adjustable thumb-rest with a neck strap ring that allows for even those with small hands to easily hold the instrument. the new adjustable thumb-rest accommodates different sized hands, which helps the player develop proper playing technique. in addition, a strap ring allows for the instrument to be held without extra effort. firmer screws and silver soldered ring gives this new feature excellent durability. the ycl-255's new bell made of solid and durable abs resin results in a lighter instrument with improved response. a resonance chamber in the bell aids in projection and improves intonation in lower notes. the 65mm barrel is based on high-end yamaha clarinet designs helps to produces a focused tone.the attractive matte finish simulates the actual grain of wood while providing the added durability of abs resin. the ycl-255 also features valentino padsh, which are durable, easy to repair, and less sensitive to temperature changes.