Grit：36 Grit 40 Grit 50 Grit 60 Grit 80 Grit 100 Grit 120 Grit. Bore Size: 16mm(100mm fibre sanding disc), 22mm(125mm fibre sanding disc). Type：Sanding Disc. Steel paper abrasive discs are highly wear-resistant, capable of withstanding high friction and working pressure, and suitable for grinding of hard materials.
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