We may receive a commission on purchases made from links. As far as aerosol sprays go, WD-40 might be one of the most popular ones ever. The famed Multi-Use Product is something of a household name ...

WD-40 is a seemingly all-purpose lubricant, degreaser, and water displacer that has helped people loosen stubborn bolts and silence squeaking hinges for decades. There's an old saying that if you need ...