10PCS 3x21 Pollici Nastro Levigante 100 Grana 75*533mm A/O per Legno, Metallo e Plastica
▸Size:3x21In (75 533mm). The grit number is printed on the backing of the sanding belts. 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.