The specially formulated piston oil SML PARIS ASM LUB1 offers an extremely thin consistency that immediately penetrates the trumpet mechanisms, ensuring instant response and smooth, silent movement of the pistons. Its advanced formula minimizes friction between metal surfaces, allowing the musician to perform fast passages with absolute precision and comfort, without unwanted sticking.

In addition to its excellent lubricating action, the SML PARIS LUB1 creates a durable protective film against oxidation, rust, and moisture, significantly extending the lifespan of your instrument. It does not leave harmful residues or deposits inside the valves. It is available in a compact 40ml bottle with a precision nozzle, allowing for easy and controlled application without waste, making it ideal to keep always with you in your instrument case.