Features: Accurate Alignment: Specifically crafted for trumpets, this alignment accessory ensures swifts and exact pitch correction, providing superior audios quality for every occasion. Durable Build: Constructed from premium brass, it resists oxidation and wear, preserving functionality and appearance even with regular use. Portable Design: Compact and easy to transport, it fits seamlessly into instrument cases or pockets, making it practical for musicians to adjust as needed, whether in practice or during shows. Wide Suitability: Compatible with various trumpet brands and models, this alignment accessory is a versatile and essential tool for every trumpet enthusiast. Enhances Audios: Proper correction significantly improves tone and pitch precisions, boosting player assurance and delivering a refined musical experience for listeners. Specifications: Dimension:29×32.5mm/1.14×1.27in Component:brasses Package Includes: 1pc Trumpet Tuning Tube 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.