BRAKUL Piston Button for Euphonium For YAMAHA (Yamaha) Brass (BRASS) used on the outer circumference Mainly installed on the 4th piston of the instrument Used item [Manufacturer's Product Introduction] This is a handmade piston button made by BRAKUL. The OHANA emblem, made of carved brass and nickel silver, is attached to the shell part, and brass and body materials whose hardness and acoustics have been adjusted by hammering and heat are used on the outer circumference. BRASS Brass is used on the outer circumference. Improves the resonance and density of the sound. Regular price: 16,500 yen