Chicken wing wood is a high-grade material with beautiful, feather-like grain and a good balance of density and flexibility. Bone powder material produces a hard, clear resonance, emphasizing the contours of the sound. This two-layer structure creates a tone that combines warmth and transparency. A tone with depth and luster. Size: 15.3mm x 11.9mm x 9mm There may be slight individual differences due to handcrafting.