The product is a set of 8 steel 1 1/2" concaved expansion freeze plugs, designed to fit Chevy, Olds, Buick, Mopar, and Ford vehicles. Made by the brand Wohler, these zinc plated freeze plugs are of universal fitment and are specifically made in the United States. With a unit quantity of 8. these freeze plugs are a vintage part that is suitable for various Mopar, Ford, and GM vehicles, providing a reliable solution for engine maintenance and repair.