15" Floor Sanding Discs Choose Grit: 12 to 120:12 Grit 20 Discs #21-5012 E-Weight Backing: Heaviest paper backing

E-Weight Backing: Heaviest paper backing available — resists tearing under aggressive pressure

Roll Width: 4-1/2"

Industrial Zirconia Performance

heavy weld grinding

Full Grit Range: 40–600 grit for every stage from shaping to ultra-fine finishing

15" Floor Sanding Discs Choose Grit: 12 to 120:12 Grit 20 Discs #21-5012 E-Weight Backing: Heaviest paper backing15" 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