This versatile product is a general purpose copper paste that lubricates, resists seizing and galling and helps defend against galvanic attack. This product also prevents excessive wear and corrosion. Earl's copper-graphite anti-seize can be used on softer metals such as copper and brass, including plastics and non-metallic gaskets. It also allows studs, bolts flanges and gaskets to be removed more easily. Comes in a 4 0z. can with an attached brush in the lid.