Yamaha Regular Valve Oil is a high-quality synthetic oil specially formulated for use on brass instrument valves. This 60ml bottle of valve oil is designed to provide smooth and reliable valve action, helping to keep your instrument in optimal playing condition. The regular formula is suitable for most brass instruments and is easy to apply. Whether you're a professional musician or a student just starting out, Yamaha Regular Valve Oil is a must-have accessory for maintaining the performance and longevity of your brass instrument.