La Tromba woodwind oil impregnates the bore of the instrument. It effectively prevents the extraction of natural oils from the wood, caused by condensation. At the same time, it reduces the risk of cracks. When applied to the tenons it minimises swelling caused through moisture. La tromba woodwind oil effectively increases the lifespan of the instrument.Specifications:⢠Soaks in quickly⢠Builds protective film⢠Impregnates⢠Reduces the danger of cracks⢠Increases the lifespan of the instrument