Selmer Prologue II 18/6 Bb-Clarinet; Bb-Clarinet (Boehm system); 18 keys; 6 rings; Eb-lever; 1 barrel: 64.5mm; Mechanism and rings silver-plated; adjustable 4-way thumb holder; ergonomic register key; Material: Grenadilla wood (Dalbergia melanoxylon); polycylindrical bore; Valentino pads, tone hole inlay D/G for smaller hands; incl. 6 bell rings (different colors), Selmer Focus mouthpiece, Prologue case and accessories