You can use WD-40 to protect, clean, and lubricate thousands upon thousands of items wherever you go! All of the handy uses in one small can, the WD-40 3 oz Handy Can is always ready to tackle your toughest jams. From small to medium sized jobs. This trusted and proven problem solver has so many uses and works so effectively that it can be found in almost every shop and factory in America. It's essential in any maintenance environment.