Features: Crafted from durability copper and natural shell, this premium valves cap set provides wear and corrosions resistance, ensuring long lasting protecting and reliability performances for brass instrument accessories like trumpets and cornets. Featuring a smooth natural shell surfaces for enhanced comfort and quickly installation, these valves caps offer precise fit compatibility with various brass instruments including flugelhorns, eliminating common fitting issues. Designed for professional musicians and dedicated brass instrument enthusiasts who demand good quality parts for regular practice and performances, these valves caps cater to players seeking durability and comfort. Ideal for diverse musical scenarios, from indoor rehearsals to outdoor concerts, these valves caps maintain optimal instrument condition, supporting seamless use in any brass playing environment. Utilizing sustainable natural shell materials, this valves cap set promotes environmental responsibility while enhancing playing comfort, making it a valuable upgrade for conscientious musicians. Specifications: Dimension:1.7cm/0.67in Component:copper + natural shell Package Includes: 3Pcs Trumpet valves Caps note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.