By Mike Anderson, Senior Editor | September 28, 2010

Described as "a scientific discovery" by Kano Laboratories that will loosen frozen metal parts, Kroil will creep into millionth-inch spaces to dissolve rust and lubricate the surface. According to Kano, the Kroil product has been used by 480 of Fortune 500 companies since 1939. Kroil is sold direct in aerosol or bulk for industrial use, and there is no minimum order.