Austin Custom Brass 3DS mouthpiece in open box.
In original condition without any changes.
Size according to Bach 3D, according to GR 65 MS, according to Warburton 5SV.
Inner diameter (650) 16.50.
Throat 25 (3.8 mm).
The channel is customized by Austin.
The rim is soft, not flat.
An excellent all-purpose mouthpiece with a medium-shallow cup.
We ship by international mail. Thank you for your interest in the ad!