This product is a set of front brake disc rotors designed for the 2014-2017 Mercedes CLA 45 AMG-A45 AMG. The rotors are manufactured by SASC and made of cast iron with a thickness of 32mm and an outer diameter of 350mm. They feature a drilled and slotted rotor style and are not designed for universal fitment. The manufacturer part number is 1764210212-D.