This comparison table can help find a Wedge similar to your current mouthpiece.
You can also get personalized fitting advice from Dr Dave by scheduling a phone call or Zoom chat using his online booking calendar.
Click the link for the brass model. Plastic models are available HERE
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  | 
 Rim Inner Diameter (ID) measured at .05 inches into cup in inches (mm)  | 
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| 
 ID  | 
 1.01 (25.65)  | 
 1.02 (25.91)  | 
 1.03 (26.16)  | 
 
 1.04 (26.42) 
  | 
 1.05 (26.67)  | 
 1.06 (26.92)  | 
| 
 
 Model 
  | 
Wick SM6USchilke 51D | Alliance 4AWick SM5U | Alliance 3AWick SM4U | Alliance 2AWick SM3U | 
 
  | 
Wick SM 2U | 
| 
 0D (inch)  | 
 1.564  | 
 1.574  | 
 1.584  | 
 1.594  | 
 1.604  | 
 1.614  | 
| 
 Throat size  | 
 .285 inch (7.24 mm)  | 
 .300 inch (7.62 mm)  | 
 .300 inch (7.62 mm)  | 
 .300 inch (7.62 mm)  | 
 .300 inch (7.62 mm)  | 
 .300 inch (7.62 mm) 
  |