This is a bulk pack of (5000) Single Use Packets of Silicone Dielectric Grease. Apply to plow electrical connections when mounting or removing plow. Every manufacturer recommends it! Great for trailer plugs, ignition systems, and automotive light bulb sockets too. Many manufacturers package this grease in with their product for installation. These you can keep in the truck, give out to your customers, leave on the front counter as an impulse buy. We sell them for $1 each here.