Custom BT#4 Trombone Mouthpiece

$105.00 - $229.50


SKU: BT4-H-s-ST-1S

Product Description

Custom BT#4 Trombone Mouthpiece
Inner diameter: 1.027″ or 26.0856mm
Bore Size: Standard – .277″ or 7.036mm, Symphonic – .281″ or 7.137mm
Cup Depth: 1.485″ or 37.719mm

The BT#4 is available in both the heavy or light weight blank style. It is also available in either the large shank style or the small shank (tenor).


  • Weight: 0.14 oz

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