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