Features: Elevates your trombones' performances with the water key, a drain valves designed for efficient moisture release and instrument maintenance. This accessory features a robust copper nickel plated construction, ensuring longevity and a great seal to prevent water leakage during play. Great for trombone player of all levels, from music students to professional musicians, seeking to maintain their instrument in top condition. Whether it's for concerts, band rehearsals, or single practice occasion, this trombone water key is an essential tool for clear sound quality. The smooth design not only complements your trombone but also adds a touch of elegance, making it a visually appealing addition to your musical instrument. Specifications: Materials: Zincs Alloy, Copper Base Color: As The Picture Shows Package Weight: approx.12g Size: approx.19.5mm/0.76in (More Size Detail, Please See Picture.) Package Includes: 1 x Trombone Water Key note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!