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 -65°F to 300°F (-54°C to 150°C). For locking and sealing carburetor screws , valve cover bolts, water pump bolts, thermostat bolts, rocker arm adjustment nuts, power tools and more