Use for valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustment nuts and carburetor studs. For all 1/4 in to 3/4 in diameter nut and bolt assemblies. Locks and seals while preventing parts loosening due to vibration. Resists virtually all leakage, shock and vibration. Protects threads from corrosion. Removable with hand tools for easy disassembly. Resists light oils and chemicals and dripping from threads during assembly. -65 to 300° Fahrenheit temperature resistance range.