K4 (White) Bassoon Reed ・Material: Komatsureed (Japan) ・Shaper: Rieger 1A ・Blade (Vibrating part): 28mm ・Tube: 30mm Each reed is carefully adjusted one by one, pursuing solid vibration and stable playability. Soaking the reed in water for about 20-30 seconds before playing will result in smoother articulation. Actual trial playing videos are available on our Instagram account "fagott_rohre" (https://www.instagram.com/fagott_rohre). Please check them out for reference before purchasing. * As reeds are consumable items, we cannot accept returns or exchanges after purchase. Thank you for your understanding. * Due to the handmade nature of this product, there may be slight individual differences. Please enjoy these variations as the unique characteristics of each reed.