The GRACO 2000649 is an electric piston pump designed for automatic grease lubrication. It is constructed from robust materials including carbon steel, alloy steel, stainless steel, nitrile rubber, bronze, nickel-plated alnico, chemically lubricated acetal, aluminum, PTFE, amorphous polyamide, and nylon. This pump is intended for reliable, automatic lubrication of equipment in demanding environments, such as off-road, on-road, industrial, and wind energy applications.