Art. ref.: RS-09Thickness mm: 0.08 Grit μm: 9Art. ref.: RS-15Thickness mm: 0.09 Grit μm: 15Art. ref.: RS-30Thickness mm: 0.10 Grit μm: 30Art. ref.: RS-45Thickness mm: 0.12Grit μm: 45Size: 150 x 3mmPackaging refill:4 and 8 pieces