Sheriff is a brand name for the range of skid plates, sump guards, transmission guards & fuel tank guards we supply. They are manufactured by Metalloproduktsia in Russia, who are the Original Equipment Manufacturer of under body protection for the likes of John Deere, Ford, Caterpillar, & General Motors who consist of Buick, Cadillac, GMC & Chevrolet. Check out our full range of Skid Plates and Guards