, Our standard mouthpiece cups measure .650 (16.5mm) in diameter at the joint where the cup and rim meet and have .750-36 threads, making them
, C Series French Horn Mouthpiece, Inner Diameter .697 or 17.7mm, The traditional C Series in a wider inside diameter. The C Series has a deep V
Stork CB Series Horn Mouthpiece, Extra Wide
Osmun French Horn Mouthpiece Rim - Virtuosity
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Osmun French Horn Mouthpiece Rim - Virtuosity
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