Mr. Gasket Anti-Seize has fine metallic particles in a high-heat petroleum carrier that prevents seizing, galling and corrosion. Apply liberally to all commonly serviced fasteners on your vehicle to make future service simple & headache free. For use on spark plugs, exhaust manifold bolts, stainless steel bolts & nuts, and any other fasteners that are prone to seize or rust. 4 ounce bottle with brush built into the cap. Features: Prevents Seizing and Galling Helps Reduce Excessive Wear Resists Corrosion Temperature Range: up to 2000 F Ideal for Lubricating Threads on Spark Plugs, Exhaust Manifold Bolts, Stainless Steel Fasteners & Other Fasteners Prone to Corrosion or Galling Made in the USA