Product that has great abrasive, aggressive and wedge-shaped power, it can easily penetrate into tenacious surfaces breaking the surface crust and leaving a wide and uniform mark. It is very durable and tends to matte the treated surface. Available in A/COARSE, A/MEDIUM, A/FINE, A/VERYFINE grains. Larger grains are indicated to correct obvious defects of the material, thin grains are indicated for a matte and homogeneous finish.