【Practical Functions】: This magnetic oil drain plug can counteract the effects of crankcase pressure and gravity, attracting tiny iron particles that are difficult for oil filters to filter out, keeping engine oil clean and stored. Plus, it comes with five copper washers that effectively prevent oil from leaking and enhance sealing. | 【Neodymium Magnet】: Some metal swarf or particles are too small and not filtered out by the oil filter, they are abrasive and may damage your engine. This oil drain plug is equipped with super magnetic neodymium magnets that can firmly attract any collected metal chips and keep them from damaging your engine. | 【Models & Applications】: You will receive 1 oil drain plug and 5 copper washers. There are three models for you to choose, M12×1.25, M12×1.75 and M14×1.5. They are universal and fit most vehicle engines, please make sure you confirm your engine configuration to choose the right thread size before ordering. | 【Dependable Material】: This product is made of high quality aluminum alloy. It is resistant to corrosion and rust and can be used for a long time. It has got great hardness and can withstand high pressure and temperature. Its surface is polished, which is not only smooth to the touch but also resists wear and tear. | 【Easy to Use】: Regular engine check is necessary for driving safety. This product can directly replace the old oil drain plug, you just need to remove the old one and install this product on the original position. When changing the oil, just wipe off the debris on the magnet and it is reusable.