Outfit your semi to be Ready for the Road Ahead™ with safe and reliable stopping power, with the Posi Quiet 9.45" x 3.49" Extended Wear Semi-Metallic Disc Brake Pad Set. To rapidly bring vehicles to a stop, this replacement disc brake pad set works alongside the rotor to create friction that slows the wheels. Fashioned with heat-resistant and durable components to reduce how often the pads need to be changed. FleetPride is your First Click in Heavy Duty®.