- JK, Trombone mouthpieces
JK 4C Trombone mouthpiece
£86.00Online price. In-store price may vary.
JK 4C Trombone mouthpiece with delrin screw on rim1 in stock .
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JK 6.5AL Trombone mouthpiece
£86.00Online price. In-store price may vary.
JK 6.5AL with delrin rim – Small shank1 in stock .
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