Yamaha synthetic tuning slide grease keeps your tuning slides moving smoothly in a wide range of temperatures and weather conditions, with an added corrosion inhibitor that gives extra protection to the instrument's metal. This thicker formula is ideal for main tuning slides or any slides that need to be smooth without slipping. 10g tub. Imported from Japan. -the manufacturer
Soft grease is good for use on all brass tuning slides, especially those that have normal to tight tolerances. -cdp