Kroil Original Penetrating Oil (Drip-8oz Can-Single) | Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts | Rust, Inhibitor (KL081)

I’ve been using Kroil Original Penetrating Oil for a while now, and I can honestly say it’s one of the best penetrating oils I’ve ever used! Whether I’m working on rusted bolts, stuck machinery parts, or even old tools that have been sitting unused for years, this product gets the job done quickly and efficiently.The penetration power of Kroil is unmatched. It seeps into the tiniest cracks and breaks down even the toughest rust and corrosion. In many cases, I’ve been able to loosen parts that I thought were impossible to get unstuck, saving me time and frustration. It works fast, and you don’t have to wait long before you see results.The application is easy, and the spray nozzle gives a controlled, fine mist that ensures the oil gets into the tightest spots without waste. I appreciate how it doesn’t leave a greasy residue after use, making cleanup a breeze.

Love KROIL. Essential for every mechanic. Nothing else on the market like it--other than a MAP torch. The last can of KROIL I bought was 1999--it was a gallon can. That's how long it lasted! I'm older now. If I bought another gallon, it would need to be buried with me.

Ive used this for about 25 years, and its the best penetrating oil on the market. It doesn't work instantly, But it works almost every time. If a bolt is frozen, just soak it in this and wait. Preferably overnight, but a couple of hours usually does the trick.Ive used it on everything from frozen suspension bolts, to locked up engines with stuck pistons. It even works great for cleaning firearms. Only negative is that it makes a crappy lubricating oil, but ive got other stuff for that.

Kroil Penetrating Oil is a lifesaver for rusted bolts and stuck parts! It works quickly, loosening even the toughest corrosion with minimal effort. Great for hinges, chains, and metal components. The rust-inhibiting formula ensures long-term protection. Highly effective and easy to use—definitely a must-have for any toolbox. Five stars!

Kroil Penetrating Oil is a lifesaver for rusted bolts and stuck parts! It works incredibly fast, loosening even the toughest corrosion with ease. The precision drip spout ensures no waste, and it doubles as a great lubricant and rust inhibitor. Highly effective and long-lasting—a must-have for any toolbox.

I used it on my friends rusted suspension nuts and bolts and it did not help at all. Zipped the bolt with a 1/2in impact gun and still did not budge. Save your money and buy the other penetrating sprays for cheaper.

Kroil Original Penetrating Oil works wonders on rusted bolts and stiff hinges! It loosens even the toughest parts effortlessly. The 8oz can is handy, and the rust-inhibiting formula keeps metals protected. A must-have for any toolbox—highly recommend!

Kroil is the BEST. Put on a rusted nut, wait a few minutes and with a bid of muscle power it comes off. You will love it.