Yamaha YFL-421 Intermediate Flute Sterling Silver Head, Body And Foot, Plateau Keys YFL-421 Intermediate Flute Sterling Silver Head, Body And Foot, Plateau Keys The Yamaha YFL-421 flute features all the qualities of an advanced intermediate flute without the hassle of open hole keys A solid silver headjoint, body, and footjoint ensure a warm, vibrant, and professional tone The beveled and undercut embouchure hole provides crisp attack, quick response, and great intonation An offset G key setup is used to facilitate natural hand positioning Nickel-silver, power-forged keys and a thickened post design make a strong, durable mechanism