The trumpet water key maintenance kit is an essential tool for musicians who want to keep their instruments . The kit includes all necessary components to replace and repair the water key, ensuring that your trumpet performs at its best. The great materials used in this kit provide long-lasting durability and reliability. Features -Color:Assorted Color -Material:Plastic, metal -Size:4.70X1.20X1.00cm/1.85X0.47X0.39in -Size:4.10X1.20X1.00cm/1.61X0.47X0.39in -Pad diameter: 9 mm -Durable materials: the screws, rubber pads, and bases are crafted from great materials, ensuring the product's durability and stability -Optimized design: the key axle rods are designed for optimal performance, allowing users to operate the trumpet with ease -Complete repair kit: this accessory set includes all necessary components for trumpet maintenance and replacement, providing a comprehensive solution -Easy to assemble: the parts are designed for simple and quick assembly, requiring no tools for installation -Wide applicability: compatible with various brands and models of trumpets, making it a choice for musicians Package list: 1 x set of trumpet accessories (10pcs/set)