The Hillman Group 58520 M18-1.5 Pitch Automotive Drain Plug ， 5-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Auto drain plugs are plugs designed to secure the drain hole in the oil pan</li><li>Usually fitted with an O-ring or a rubber gasket to prevent oil from leaking</li><li>Allows convenient draining of the oil pan when unplugged</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51TmJdqhUFL.jpg" noproxy>