BENEFITS OF USING ABRO 473ML BLACK COLORED AUTOMOTIVE POLISH (AB-301-BLK) Manufacturer: ABRO. Application: Apply a small amount of ABRO AB-301-BLK onto a clean, soft microfiber or polishing cloth. Specifically formulated for black paint, this advanced polish is designed to seamlessly blend and bond with your car's existing color, effectively minimizing the appearance of unsightly minor scratches and swirl marks.