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2 valve rotors: including 2 rubber valve rotors, sufficient for easy use and replacement at any time. Fine polished surface for excellent performance
For wind instruments: commonly used for French horn, tuba, trombone, etc. It is a common part of wind instruments. Strict quality control and quality assurance can be used with confidence
Rubber material: These blocks are made of non-toxic, anti-aging and wear-resistant high-quality rubber. Compact shape, easy to carry and use
Easy to install: These valve rotors are standard size, compact, and easy to install and use.
Practical parts: after fine processing, it is suitable for many musical instrument brands and has good compatibility. Small size, easy to carry and store, easy to use, good performance