The Hickok/Waekon Brake Pad Apply Pressure Test Kit, No. BEQ-0197, helps technicians quickly pinpoint unusual pad wear, brake pull, Imploded hoses, sticking/frozen calipers and slides. To use, simply insert the gauge load cells in place of the brake pad. Then depress and release the brake pedal to quickly measure brake caliper apply pressure and release. This kit contains two 0-5,000 psi gauges, an instruction manual and storage case. Comes with a limited lifetime warranty.