Aperture (I.D) of Sax Mouthpieces
Interior Diameter of Shank Bore where corked neck is inserted
The shank bore of sax mouthpieces is tapered;
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Soprano    
  mm  
Antigua Winds 13.45  
No Name 13.10  
No Name 13.90  
Graftonite 13.60  
Runyon 13.30  
     
  13.47 Average
Alto    
  mm  
No Name 16.10  
Bundy 16.20  
Woodwind 15.80  
Selmer Scroll 16.00  
Bundy 16.00  
Selmer Scroll 15.90  
Dukoff 15.80  
Northway 15.90  
Northway 15.80  
Link HR 15.85  
Noblet 16.05  
Goldentone 15.70  
  15.93 Average
C-Mel    
  mm  
No Name 16.50  
No Name 16.70  
     
  16.60 Average
Tenor    
  mm  
Yamaha 17.10  
Selmer Scroll 16.80  
Vandoren Java 16.80  
Selmer LT 16.80  
Link HR 17.00  
Jean Martin 16.30  
Zagar 16.70  
Vito Imperial 16.95  
Kalashen 17.50  
Woodwind Co 16.95  
Rascher 16.80  
Rascher 17.20  
Conn Steelay 17.00  
Martin 16.60  
Jupiter 17.40  
  16.93 Average
Bari    
  mm  
RIA 17.90  
Graftonite 17.50  
Brilhart 18.10 Metal Levelaire
Wolfe Tayne 17.95  
     
     
  17.86 Average