Professional-grade slide grease engineered for brass and woodwind instruments. This water-resistant formula protects metal surfaces from corrosion while maintaining smooth, responsive slide action on tuning slides and trigger mechanisms. The colorless, odorless composition won't stain or interfere with instrument finish, and its non-toxic formulation ensures safe handling. Trusted by working musicians for over two decades, 5 Starr Lube All delivers reliable performance in a convenient 1/2 oz. flip-top container for precise application and easy storage.