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. White, friable abrasive grain. Consistent quality. Versatile. Cool and burn-free cutting; ideal for heat-sensitive applications with light to moderate feed rates. Excellent balance and dimensional accuracy time after time. Exceptionally cool cutting in light pressure grinding applications, or heat-sensitive applications. Ideal for use across a broad variety of tool steels. Measures 7-inches diameter by 1/2-inches width, 1-1/4-inches arbor.