Read more: 12 WD-40 Hacks You'll Wish You Knew Sooner Penetrating oil — also known simply as penetrant — is similar to WD-40's Multi-Use Product in a few ways, but has a few key differences.

In these instances, a different product like WD-40 Rust Penetrant that can fully break down rust is needed. WD-40 Rust Penetrant works by flowing into narrow spaces through capillary action ...

Not only is WD-40 Specialist Penetrant useful for maintaining and repairing a motorcycle, it's even been used to build one, such as when WD-40 and Cerberus Moto partnered to construct the custom ...