Altus AS-A10 EO-S Flute; Transverse flute; Standard series; Tuning: A = 442 Hz; C-foot; closed holes; E-mechanism; offset G; Embouchure design: S-Type; Mouth hole plate and chimney material: Sterling silver (925); Headjoint and body material: Sterling silver (925), silver-plated; keys material: Nickel silver, silver-plated; Drawn tone hole chimneys; Soldered C# tone hole chimney; Springs made of steel; Wall thickness: 0.38 mm; incl. Altus case and cover