The GAST Lubricating Oil is a 1 quart bottle of high-quality lubricating oil for use in air tools and air-operated equipment. It helps provide protection against rust and corrosion and has anti-wear properties to reduce friction. This oil has a viscosity of 68 SUS at 100°F and an aniline point of 221°F. It meets the requirements of U.S. Steel 126 and 127. The GAST lubricating oil provides excellent lubrication for pneumatic tools, valves, cylinders, and air compressors. This product can be used for lubricating vane, piston and rotary air compressors. The 1 quart bottle ensures you have sufficient oil for ongoing lubrication needs.