Straight Grinding Wheel, Type 1, Wheel Type Bench/Pedestal, Diameter 8 In., Thickness 1 In., Arbor Size 1 In., Abrasive Material Silicon Carbide, Bond Type Resin, 60 Grit, Grade MediumMax. RPM 3150, Green, For Carbide Tooling and Nonferrous MaterialsIncludes 5/8 In., 3/4 In. and 7/8 In. Arbor Bushings Aluminum OxideSilicon CarbideSharp abrasive is designed for offhand grinding of tungsten carbide and other nonferrous materials such as brass, bronze, and aluminum. Ideal for sharpening carbide welding tools.Designed for general purpose off-hand grinding of a variety of steel types.NortonBench and Pedestal Grinding WheelsUse very coarse to medium grit sizes for roughing applications and removing large amounts of material. Use fine and extra-fine grit sizes for finishing, deburring, and sharpening applications.