15" Floor Sanding Discs Choose Grit: 12 to 120:100 Grit 20 Discs #21-5100 Premium White Aluminum Oxide: Superior

Premium White Aluminum Oxide: Superior finish quality vs

Backing: Heavy fiber

fabrication

120 Grit: Surface preparation before finishing

Heavyweight Backing: C-weight paper resists tearing under firm hand sanding pressure

15" Floor Sanding Discs Choose Grit: 12 to 120:100 Grit 20 Discs #21-5100 Premium White Aluminum Oxide: Superior15" Silicon Carbide Floor Sanding Discs Rotary Floor Sanders USA1 Abrasives 15" Silicon Carbide Floor Sanding Discs are the industry standard for rotary floor sanders used in professional hardwood floor refinishing. Silicon carbide abrasive cuts through old finishes efficiently, while the combination cloth paper backing on coarse grits and heavy weight paper on finer grits provides the right balance of durability and flexibility. 2" center hole. Sold