This is a bulk pack of (500) Single Use Packets of Silicone Dielectric Grease. We also offer larger bulk packs: 2500, 5000 pieces, smaller quantities: 1, and 50 pieces, click on Related tab. 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. 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. We also offer 2500 and 5000 bulk packages, click on Related Products tab.