Features: Select high-quality reed as the material. The growth cycle exceeds two and a half years and is not easily deformed to ensure sound quality and smoothness. Each piece has a consistent size, which can create more stable sound and achieve great music performance. You can prepare some reeds for replacement, which can effectively extend the service life of the mid-range clarinet. The U-shaped cutting process ensures stable vibrations, low resistance, crisp sound, uniform thickness of the edges of the reed, and even cutting. Hand harvesting, using digital reed production technology, can achieve excellent response in all registers. Specifications: Material: Reed Hardness: 1.5/2.0/2.5/3.0/3.5/4.0 (Optional) Size: As Shown In The Picture Package Includes: 10pcs/set Mouthpiece Reed note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.