Alco-Metalube Heavy Duty Lubricant, Small Cartridge Tube, 6 Oz. Prevent Costly Equipment Breakdownds and Downtime SaltWater Proof Extreme Temperature and Pressure Resistance Saves Bearings - Stops Corrosion 100% MADE IN USA. Certified under U.S. Navy Specification MIL-PRF-18458C; QPL-18458-32