Pros

  • Effectively unsticks typewriter keys and improves restoration tasks.
  • Resolves issues with stuck door locks on vehicles efficiently.
  • The smart straw enables precise application in tight spots.
  • Versatile for removing rust, silencing squeaky doors, and maintaining toilet cleanliness.
  • Highly recommended for restoring functionality to various stuck items.
  • New can design with an attached straw prevents loss and allows precise application.
  • Reliable product for quick and consistent results in solving everyday household problems.
  • The bendable spray tube is useful for accessing haro-reach areas, such as holes made by carpenter bees.
  • Successful in eliminating carpenter bees and protecting wooden structures outdoors.
  • Welegarded for lubricating rusty components and enhancing movement.

Cons

  • Must be shaken well before use to prevent separation, especially in translucent containers.
  • It's recommended to use a steel pressurized sprayer, as W0 can damage plastic trigger sprayers.
  • Frequent shaking is necessary, including for smaller containers, to maintain effectiveness.
  • Opting for a larger size may be preferable to reduce frequent store trips.

Bottom Line

The WD40 Company 490026 Multi-Use Lubricant Penetrant Smart Straw Spray - 8 oz. stands out for its versatility and reliability in solving various household issues. Its innovative smart straw design ensures precision application, making it a go-to solution for sticking, squeaking, and rust issues. Just make sure to give it a thorough shake before use for optimal results, and be cautious of using plastic trigger sprayers with it.

Lowest at any Popular Retailer
$5.88 at Amazon
How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 200 retailers to give you the short version.

Where to Buy

Prices last updated: May 13th 2026 7:23 pm
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