good penetrating oil?

[ame="http://www.amazon.com/Kano-Kroil-Penetrating-liquid-KROIL/dp/B000F09CF4"]Amazon.com: Kano Kroil Penetrating Oil, 8 oz. liquid (KROIL): Automotive[/ame]


[ame="http://www.amazon.com/Kano-Aerokroil-Penetrating-aerosol-AEROKROIL/dp/B000F09CEA/ref=sr_1_2?s=automotive&ie=UTF8&qid=1346162917&sr=1-2&keywords=Kroil+Penetrating+Oil"]Kano Aerokroil Penetrating Oil,10 oz. aerosol (AEROKROIL) : Amazon.com : Automotive[/ame]