17" Floor Sanding Discs Choose Grit: 12 to 120:80 Grit 20 Discs #21-9080 Self-Sharpening Grains: Aluminum oxide fractures

Self-Sharpening Grains: Aluminum oxide fractures during use to expose fresh cutting edges

Compatible Tools: Angle grinders

Package Size: 100 discs per roll

6" Wide Belt: Maximum surface coverage per pass for high-efficiency production sanding

Coat Type: Open coat for maximum clog resistance

17" Floor Sanding Discs Choose Grit: 12 to 120:80 Grit 20 Discs #21-9080 Self-Sharpening Grains: Aluminum oxide fractures17" Silicon Carbide Floor Sanding Discs Rotary Floor Sanders USA1 Abrasives 17" Silicon Carbide Floor Sanding Discs are designed for 17" 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 in packs