Hetman Piston Valve Oil

Student and professionals alike rely on Hetman oils.  Whether your instrument has Monel, stainless steel, or nickel-plated pistons, these long-lasting, non-gumming lubricants will provide for an action that is smooth, quick and consistent. Three nontoxic viscosity grades are available in 60 ml controlled dropper tip bottles:   1. LIGHT PISTON - Specifically formulated for close tolerance piston valves.  2. PISTON - Designed for instruments with piston valves having average clearance.  3. CLASSIC PISTON - Synthetic protection for your classic instrument. Specially formulated oil helps to seal piston valves that exhibit greater than average clearance. Helps prevent valves from sticking.