The Norton 08834137311 Merit high-performance mini flap wheel is designed for aggressive stock removal, blending, deburring, cleaning, finishing, and polishing in metal fabrication applications. The 1 inch by 1 inch wheel features an integral 1/4 inch steel shank, 80 grit abrasive, durable cotton-polyester flaps, and a premium aluminum oxide/ceramic alumina abrasive blend for a high cut rate and consistent finish on contoured surfaces.