Feature: Size: M14 x 1.5 MM Premium Quality: Made of high-quality stainless steel. Included with the drain plug is an aluminum crush washer; Neodymium Magnet: Our plug uses a high strength neodymium magnet, rated specifically to extracting unwanted ferrous particles from your vehicles engine. Neodymium magnets are one of the strongest magnets available on the planet, giving the strength to hold weights over 2.2lbs. This empowers our plug with enormous strength to effectively pull these unwanted metals out of your motor oil resulting in longer engine life. Promised Performance Our drain plugs use choice quality materials. Our magnet will extract small metal particles that are too fine for oil filters to catch along with capturing large metal shavings that plug filters. Easy To Install: Our plug will install in place of your current drain plug. It will arrive with an aluminum crush washer which is recommend to be replaced with every oil change. Simply wipe the magnet clean of debris during oil change.