A seized bolt can put a damper on your project, but there are several penetrating oils that can help. Here are the best ones, based on user reviews.

WD-40 may be the most well-known lubricant on the market, but is Kroil any different? Here's what users think of the two ...

You have previously described how versatile and effective penetrating oil (e.g. WD40) can be in so many vehicle maintenance and repair situations. Should car owners be using it more often – as a ...

Working on a rusty car sucks for a lot of reasons. You’re often battling with crusty parts that, in severe cases, break away in your hands and leave you with more work than you anticipated. The worst ...

Kroil penetrating oil creeps into millionth-inch spaces, dissolves rust and lubricates to loosen frozen metal parts. Molecular structure facilitates penetration while maintaining a structure that ...