... 54 Specifications phosphor copper alto Saxophone (HSL-1007):1, Eb Tone, 2, phosphor copper 3, Imported Parts, 4, Type: high pitch #F ... model high pitch #F key,Front F key,material :CupronickelHSL-1007 Eb, popular model high pitch #F key,Front F key ... under their own brand names. phosphor copper alto saxophone hsl-1007