Super Maple Silver Plated Bassoon(HBL-721): C key, Material: Super Maple, Surface: Silver Plated Keys, Cupronickel ... Keys Super Maple Silver Plated Bassoon(HBL-721):1, C key, 2, Material: Super Maple, 3, Surface: Silver ... . Thanks for your reading! Super Maple Silver Plated Bassoon(HBL-721)