The Genuine GM Rear Disc Rotors Set of 2 with GM Parking Brake Shoes Included is a high-quality brake component designed for vehicles. Made from durable cast iron, these rotor disc brakes come with a 1-year manufacturer warranty and are guaranteed to provide reliable performance. The set includes two rotors with an outside diameter of 11 and 9/16 inches, as well as GM parking brake shoes for added safety. Whether you need to replace worn-out rotors or upgrade your braking system, this genuine GM product is a dependable choice for your vehicle. These rotors will fit S 10 Blazers and Sonoma type vehicles . Check with your dealer or mechanic or other sources for proper vehicle fitment before ordering.