Canton 22-410 Drain Plug and Washer Magnetic 1/2 Inch -20 Package of 10

1/2" -20 Magnetic Plugs & Washers, Package of 10. Magnetic Drain Plugs collect steel particles, keeping your oiling system clean and allowing you to check for problems. Each of our drain plugs include a copper washer which is far superior to the standard plastic washers.