Norton Type 01 vitrified straight toolroom grinding wheel. Used on surface, cylindrical, and tool and cutter grinders, Norton precision, form-holding vitrified toolroom wheels maximize your productivity. For every ferrous and nonferrous MRO, small job shop, and production operation. Exceptionally high-performance proprietary seeded gel ceramic aluminum oxide abrasive. Self-sharpening abrasive. High performance VS bond. Provide sharp edge on tools and dies. Durable Norton SG and aluminum oxide blend. Fast stock removal, cool, superior cutting. 3X - 5X more life than aluminum oxide wheels. Double rough stock removal rate versus conventional abrasives. Less burn, less dressing; very consistent performing wheel. Versatile; exceptional form holding. Longer life of tools and dies in production. High stock removal rates, excellent productivity, long wheel life, low overall grinding cost. Maximum productivity in heat-sensitive, heavy stock removal operations. Measures 8-inches diameter by 1/2-inches width, 1-1/4-inches arbor.