Description Our trumpet and trombone valve parts are essential for maintaining the optimal performance of your wind instruments. Crafted from materials, these parts ensure durability and longevity. Whether you're a musician or a hobbyist, these accessories will help you achieve precise control and smooth operation of your instrument. Features -Color:Multi -Material:Metal -Size:9.00X5.50X1.50cm/3.54X2.16X0.59in-Precision craftsmanship: designed with high precision to enhance the stability of trombone and trumpet performance, ensuring musical expression for players.-Durable design: built with wearresistant materials to extend the lifespan of the parts, reducing the hassle of frequent replacements.-Smooth operation: provides quick response for seamless key action, allowing musicians to capture every musical moment effortlessly.-Versatile usage: suitable for both performances and daily practice, catering to diverse playing scenarios and needs.-Easy maintenance: simple installation and upkeep make instrument care more convenient, ensuring optimal playing condition at all timesPackage list: 1 x Trombone Water Key