ARB Differential Covers are specially designed to protect your differential from obstacles and off-road hazards. These unparalleled differential covers feature computer optimized cross brace design for improved structural rigidity of the whole axle. Plus, ARB Differential Covers are made from high tensile nodular iron and come with high power neodymium magnets that are utilized in both the drain plug and the dipstick. Thanks to these high quality magnets, any metallic wear particles are collected as your vehicle moves. ARB Differential Covers are offered in two colors of finishes ? black and red.