The Sonare 601 flutes are an excellent value in professional flutes. They feature handmade, sterling silver, Powell Signature headjoints made in Boston as well as sterling silver bodies also made in the USA, by Powell, with the Modern Powell Scale. These flutes utilize Elgiloy steel alloy springs with silver-plated keys and Y-arms. These flutes are sure to become a mainstay in the flute community for years to come.