The WD-40 8 oz. Smart Straw Lubricant stops squeaks, loosens rusted parts, drives out moisture and frees sticky mechanisms. New Smart Straw features a permanently attached straw that sprays two ways. Simply flip it up for a precision stream and down for a regular spray action. Discover how one of the world's smartest products just got smarter.Loosens rusted parts, eliminates moisture and stops squeaksOil-based formulaStraw allows for precision stream or regular spray action to fit the jobSprays on clearWater repellant