50PCS 5" Gancio e Passante Senza Foro Disco Levigante 40 120 400 Grana A/O Carta Vetrata per Legno
The grit number is printed on the backing of the sanding disc. It will never happen that the granule is more aggressive than the number printed on the backing. Which grit it says on the backing and it's exact the grit.