Yamaha ATSO Synthetic Tuning Slide Oil

Yamaha ATSO Synthetic Tuning Slide Oil for Brass Instruments
Yamaha's synthetic tuning slide grease and tuning slide oil create an air-tight seal and prevent sticking of tuning slides.

Place a few drops on the inner tube surface and then work the slide back and forth a few times to evenly distribute the oil
This 100% synthetic oil delivers light, smooth slide action that lasts
It also produces a long-lasting coating that prevent corrosion from occurring on the spindle and surrounding area.