The product is a rear disc brake rotor replacement for Toyota Matrix 2009-2013, manufactured by YH275064P. It is made of cast iron with a thickness of 10mm and a discard thickness of 8.4mm. The rotor style is solid, and it has a bolt pattern of 4 x 4.25 inches. This brake disc rotor is designed for the rear placement on the vehicle and comes with a rust preventative finish. It is a single pack item and does not have universal fitment. Made in the United States, it is a reliable and high-quality replacement part for your vehicle's braking system.