Lucas Heavy Duty Mining and Construction Grease is a smooth, dark gray, lithium complex grease fortified with 5% molybdenum disulfide to provide excellent shock loading protection in the most adverse operating conditions. Our product protects wrist pins and booms from wear and extends equipment life which reduces down time and improves productivity. Lucas Heavy Duty grease contains state of the art polymer system to provide stay in place performance even under the harshest of operating conditions. Our product has excellent water resistance, rust and corrosion inhibition properties and outstanding extreme pressure properties.