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These abrasives are comprised of high quality silicon-carbide grains and are ideal for fine sanding when staining or oiling hardwood floors.

Bona 5" Black Abrasive Discs (8-hole) are best used as “finishing” abrasives, as they provide the best color when staining and oiling. The high quality silicon-carbide abrasive grains continually break-down into fine cutting points, giving you the best surface quality for natural, stained and oiled floors.