Abrasive Grain Material : Zirconia Corundum. Scattering: Dense. It is also not easy to break. Type: Zirconia Sanding Belts. 10 Pcs ----- 40 Grit x 13 x 457mm Zirconia Sanding Belts Set. 20 Pcs ----- 40 Grit x 13 x 457mm Zirconia Sanding Belts Set.
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