Gleichweit Bb- Clarinet AN - DW, Mouthpiece for Bb clarinet, Viennese cut, Alexander Neubauer model, German wide bore (15 mm), Facing length: 35 mm, Tip opening: 0.81 mm, For wooden reeds, Recommended reeds: Leuthner Standard and Professional (Viennese cut) and Pilgerstorfer Concerto, Vienna, Morré ""Pi"".