Husqvarna G1410 21 Pack Diamond Grinding Single And Double Segments Orange 20 Grit, 30 Grit, 50 Grit, 100 Grit Xtreme Soft Bundle Gold Performance Used on the following Husqvarna floor grinders: PG 820, PG 680, PG 530, PG 450, PG 680 RC, PG 510, PG 400, PG 280 Optimal rated for Concrete hard and semi-polished concrete Acceptable rated for vinyl glues, paint, thin epoxy, thick epoxy. Bundle includes (save over purchasing individually):