Vincent Bach 1885 Valve Oil is now available in a synthetic version! Specially formulated to be more consistent, this highly refined valve lubricant works without buildup and provides maximum stability across various temperatures. The Bach formula synthetic oil is the top choice for all-around use while also providing a smooth, quick, and long-lasting action. Available in a compact and convenient 1.6 oz. squeeze bottle the new Bach Synthetic Oil is a must-have for any brass player.