Premium Valve Oil for Trumpet, Tuba, French Horn, Trombone, and Euphonium.
 
Developed by real professional trumpet players.
 
Our original formula valve oil. Best application for all-around, hassle-free, quick-action, buttery-smooth, long-lasting use. Takes forever to evaporate. Hide your kids, put on your sunglasses---this is the Monster Oil that will change the world. Appropriate for every trumpet ever made. Far superior to anything on the market today. You're welcome.