Permatex ThreadlockerIdeal for all nut and bolt applications 1/4" to 1"Eliminates need for stocking expensive lock nuts and lock washersLocks and seals while preventing parts loosening due to vibrationProtects threads from corrosionRemovable with hand tools for easy disassemblyOEM specifiedFor use with these suggested applications: valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustable nuts, and carburetor studsBlue6 ml. tube Threadlocker Blue