P600 MIRKA ABRALON FINISHING DISCS PACK OF 20 150MM - VAT RECEIPT* Coarser grits are recommended for - surface preparation of composite body parts - fine sanding of the body surfaces before primer and top lacquer* Finer grits are suitable for - smoothing of primers and bottom lacquers - preparation of surfaces between blending - sanding of pot marked surfaces - preparation of the topcoat before polishing.