Loctite 504466 Blue Medium Strength Threadlocker Stick, 19-gram This medium strength anaerobic thread locker offers the same locking strength and sealing capabilities as Loctite's traditional blue thread locking liquid Wax-like stick is conveniently packaged in a self-feeding stick applicator Well-suited for difficult repairs, as in overhead applications Great for valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustment nuts and carburetor studs Can be applied to a part even if assembly is to take place at a later time