Large Shank Trombone Mouthpiece 6 1/2 AL For a well-developed embouchure
The G throat and #420 backbore provide a consisten, smooth, round and mellow sound.  The medium-wide rim shape improves endurance. 
  • Cup Diameter: 1.00" (25.40mm)
  • Cup Depth: Medium
  • Rim: Medium-wide
  • Throat: 0.261" (6.62mm)

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