Size is about M14 x 1.5mm. Reusable oil drain plug for routine maintenance and oil changes.Advantages and Benefits: CNC precision machining, premium stainless steel materials and magnets can withstand more than 2.2 pounds and will operate at temperatures of 150 degrees Celsius or 302 degrees Fahrenheit for a long time. The magnet pulls metal particles that the oil filter can't catch.The filter is designed to capture particles larger than 35 microns, and plug can capture finer particles that the filter cannot capture. It will also trap larger metal shavings that clog oil filters.Color: silverMaterial: metalPackage Contents:1 x stainless steel oil drain plug5 x copper Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.