Wagner ThermoQuiet brake pads feature Wagner OE21 low copper technology, setting new benchmarks for our ceramic brake pad performance. Product Features:QUIETER OPERATION -- Application-specific design and a unique laser-shaped friction spreads out heat, sound and vibration to reduce noise opportunitiesLONG LIFE -- Superior formulation design dissipates heat for long-lasting friction performance and reduced brake fadeCLEANER WHEELS -- Proprietary formulation provides superior braking performance and reduced rotor wear, helping to cut down on brake dustONE-PIECE DESIGN -- IMI technology integrates friction material, backing plate and insulator into the brake pad for select applicationsHARDWARE INCLUDED -- Premium stainless-steel hardware included for select applicationsCOMPREHENSIVE COVERAGE -- Brake pads available for most vehicles on the roadZERO/LOW COPPER FORMULATION -- Features Wagner OE25 zero-copper and OE21 low-copper friction formulations