Superslick Tuning Slide Grease offers an airtight seal around tuning slide valves while providing excellent lubrication. Superslick Tuning Slide Grease is available in a convenient .5-ounce plastic jar that can easily fit into most brass instrument cases. $ 1.46 Customer Reviews 1 of 1 people found the following review helpful Pretty simple, works great, May [Description & reviews]