Tip opening: 1.50mm. Facing length: Medium-Long. Medium, oval-shaped chamber. 
Even the most demanding, professional saxophonists turn to the Reserve Alto mouthpiece because of its exceptional intonation, dynamic flexibility, and improved projection. This mouthpiece will wonderfully capture your desired sound and response across all registers.
 
PRODUCT FEATURES
Material: Hard Rubber
Tip opening: 1.45mm
Facing length: Medium
Medium, oval-shaped chamber
All D’Addario Woodwinds rubber mouthpieces are designed and manufactured in the USA