Alco-Metalube Heavy Duty Lubricant, Standard Cartridge Tube, 1.5 Lb. Prevent Costly Equipment Breakdowns 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