Removable strength blue anaerobic threadlocker for fasteners up to 3/4″ in diameter. Resistant to gasoline, antifreeze, transmission fluid and oil. Prevents galling and corrosion of threads. Removable with hand tools. Apply prior to assembly. Resists temperatures from -65F to 300F (-54C to 150C). For locking and sealing carburetor screws , valve cover bolts, water pump bolts, thermostat bolts, rocker arm adjustment nuts, power tools and more.