Pure Mack Grease 97718 is a premium multi-purpose EP grease that can be used in a variety of applications. It is based on a high viscosity index mineral oil and a lithium soap thickener. APPLICATION Pure Mack Grease 97718 can be for lubricating links, joints and connections, ball and roller bearings, water-pump bearings and for all lubrication points on motor vehicles, working machines, etc.