Yamaha Synthetic Valve Oil is a high-quality lubricant specifically designed for brass instruments. This 60ml bottle of synthetic valve oil is perfect for maintaining the smooth operation of your valves, ensuring optimal performance. The synthetic formula provides long-lasting lubrication and helps to prevent corrosion and wear. Whether you're a professional musician or a student, Yamaha Synthetic Valve Oil is a must-have for keeping your brass instrument in top condition.