Gleichweit Bb- Clarinet PS - DW, Mouthpiece for Bb Clarinet, Viennese cut, Peter Schmidl model, German-wide bore (15 mm), Facing length: 32 mm, Tip opening: 0.74 mm, For wooden reeds, Recommended reeds: : Leuthner Standard and Professional (Viennese cut) and Pilgerstorfer Concerto, Vienna, Morré ""Pi"".