Straight Grinding Wheel, Abrasive Wheel Type Type 1, Abrasive Wheel Diameter 3 in, Thickness 1 in, Arbor Hole Size 1/2 in, Abrasive Material Silicon Carbide, Abrasive Grit 80, Abrasive Wheel Hardness M, Max. RPM 10,825 RPM, Series 37C, Specification 37C80-MVK, Grade Medium, Bond Type Vitrified, Package Quantity 5