Description: 【Product Material】: This trumpet repair parts set is made of high quality copper, ensuring durability and longevity. 【Comprehensive Set】: The package includes a complete set of trumpet repair parts, providing everything you need for your instrument's maintenance. 【Versatile Use】: These components are ideal for repairing or replacing old, worn out parts on your trumpet, enhancing the sound quality and performance of your instrument. 【Easy Installation】: With their precise dimensions and superior material, these parts can be easily installed on your trumpet, making them perfect for both professional musicians and beginners alike. 【Features】: Trumpet repair kits can improve the accuracy of keystrokes, thereby improving the fluency of playing. Specification: Material: Brass Size Chart: Whistle tube length: Mouth hoop Length and diameter 22cmx1.2cm/8.66inchx0.47inch: 7cm/2.76inch, 1.4cm/0.55inch to 1.9cm/0.75inch 22cmx1.2cm/8.66inchx0.47inch: 7cm/2.76inch, 1.2cm/0.47inch to 1.3cm/0.51inch 22cmx1.2cm/8.66inchx0.47inch: 4.5cm/1.77inch, 1.3cm/0.51inch to 1.3cm/0.51inch 22cmx1.2cm/8.66inchx0.47inch:  6cm/2.36inch, 1.3cm/0.51inch to 1.3cm/0.51inch 22cmx1.2cm/8.66inchx0.47inch: 4.7cm/1.85inch 1.2cm/0.47inch to  1.4cm/0.55inch Package Includes: 1 trumpet whistle tube 1 mouth hoop Note: Please allow slightly errors due to manual measurement and different monitors.