Description: Trumpet buttons 3 per Musical instrument trumpet button snap piston buckle Brass instrument key accessories button cover It screws diameter is about 3.85mm. Very beautiful, and it can fit most brands of the trumpet. Fit for many models of trumpet finger button replacement and repairing. Package Includes: 3 Pieces Trumpet Finger Buttons Hand polished and made of zinc ally, with natural stone material Trumpet finger key button cover size: approx. 1.5x1.5cm/ 0.59x0.59inch For replacing old, broken and missing buttons Help to improve the accuracy of the keys and improve the fluency of playing Fit for many models of trumpet finger button replacement and repairing
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