Hawk Performance Blue 9012 compound is a medium-torque racing brake pad designed for track use. It offers excellent modulation and consistent performance across a wide temperature range. This kit (HB148E.560) includes a full axle set of front brake pads (4 pads) for Mazda Miata NA. Specifications: Part Number: HB148E.560; Compound: Blue 9012; FMSI: D525; Thickness: 0.560 inches. Note: Race only compound - not for street use due to high dust and noise.