- High concentration of Zirconia and heat-treated Aluminum Oxide grain provides twice the cutting action of Premium Aluminum Oxide Discs and is extremely heat resistant
- Self-sharpening grain exposes new points to work surface
![CGW Abrasives Resin Fibre Discs, Aluminum Oxide, 4 1/2 in Dia., 36 Grit, 1 EA, #48012 CGW Abrasives Resin Fibre Discs, Aluminum Oxide, 4 1/2 in Dia., 36 Grit, 1 EA, #48012](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/215851/310640/421-45005__43536.1590788240.jpg?c=2)
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