Premium Quality: The Key Rod is expertly crafted from high-quality Material, ensuring durability and a long lifespan. : Rod Connection Rod, it seamlessly integrates with your instrument, providing an optimal connection for smooth performance. Enhanced Performance: This Key Rod enhances your playing experience by ensuring precise action of the trumpet's buttons and levers, allowing for effortless transitions between notes. Easy Installation: Vertical Key Rod is user-friendly and easy to install, making it a convenient upgrade for both amateur and professional musicians. Essential Accessory: Elevate your brass trumpet setup with this essential accessory. The Key Rod is a must-have for any musician looking to improve their instrument's functionality and playability. Specifications:A:Upper Bass Key Lever Colour:Silver Material:Stainless steel Package Contents: 1 * Key lever Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.