Gleichweit Bb- Clarinet JG3 - DW, Mouthpiece for Bb Clarinet, Viennese cut, Johannes Gleichweit model, German-wide bore (15 mm), Facing length: 35 mm, Tip opening: 0,84 mm, For wooden reeds, Recommended reeds: Leuthner Standard and Professional (Viennese cut) and Pilgerstorfer Concerto, Vienna, Morré ""Pi