Another penetrating oil from Kano Kroil, this product offers the same guarantee of loosening frozen metal parts or you can claim a full refund. Since it loosens metal joints in just a few minutes time, it will save you significantly on labor and equipment. And while it will dissolve gum, dried grease, and oil, it will not attack the metal itself.
On top of all this, it is one of the best penetrating oils for rust and carbon deposits. Just a few of the tight parts that you can use it on include nuts, bolts, pipe threads, pulleys, and screws.