Kroil Penetrant with Graphite is a unique blend of oils solvents and graphite engineered to penetrate the smallest gaps of corroded metals to loosen seized parts. Eases the removal of large metal fasteners components and equipment parts. The graphite is designed to stick to metal and provide long lasting lubrication which will remain in place even in temperatures up to 700°F (371°C). Made in the U.S.A. 50-State VOC Compliant.