Loctite 495549 Dielectric Tune-Up Grease Tube, 80-milliliter Provides a moisture-proof barrier that lubricates and protects electrical connections and wiring from salt, dirt and corrosion Extends the life of bulb sockets Prevents voltage leakage around electrical connections Typical applications include marine and automotive electrical connections, spark plug boots, trailer hitches and battery terminals Resistant Properties: corrosion-resistant, dirt-resistant, salt-resistant