Key features/benefits are:Attracts harmful metallic particles in engine oilHeat-resistant neodymium magnet maintains stable magnetic force even in high heat inside the engineAluminum light alloy material constructionHigh-grade alumite finish to improve aesthetics/corrosion resistanceSafety benefit - insert structure prevents the magnets from interfering with the internal parts of the engineDimensions and Recommendations are:M12 x P1.25Under head length thread length – 20mmWidth across flats mm – 17 HEXRecommended tightening torque: 6.61 - 8.82 (lbf)Fits most Nissan models including 350Z, 370Z, Altima, Maxima and SentraPlease check the size and shape of the drain bolt of the current model when purchasing