Description These spring support plates are designed for trumpet. These valve spring washers are a great replacement for old, worn, damaged, or lost springs plates, providing better performance and sound quality. A great replacement for trumpet spring repair. Features - Color: White -Material:Plastic, metal - Size: 1.80X1.50X0.30cm/0.71X0.59X0.12in -Crafted from plastic and metal materials, this accessory boasts exceptional durability and longevity, ensuring it can withstand frequent use and last for years to come. -Designed to enhance the performance and sound quality of bass horns, this spring support plate is a must-have for musicians. -With its easy installation process, this accessory can be added to your instrument without any hassle, and it won't interfere with its original functionality. -Whether you're playing a bass horn, this spring support plate is suitable for both, making it a versatile addition to any musician. -Suitable for professional musicians, as these spring support plates can significantly improve the overall sound and performance of instrument. Packing list6 x Trumpet Spring Washers