... groove wheel for brake pad 1.application: grinding and grooving the internal& external arc and of drum brake pads and disc ... marble,masonry,natury & artificial stone surface and edge.2.fast grinding: long life.3.Type: abrasive wheel.4.advantage: well ... balanced,aggressive,fast and affordable.5. smooth grinding,stable performance,good cutting result.6. lower prices. DimensionDiamond ...