Straight Grinding Wheel, Type 1, Wheel Type Toolroom, Diameter 8 In., Thickness 1/2 In., Arbor Size 1-1/4 In., Abrasive Material Aluminum Oxide, Bond Type Vitrified, Porous, 46 Grit, Grade Coarse, Hardness Soft (H), Max. RPM 3600, White, For Iron, High Speed Steel and Tool Steels RC 50 to 68, 300 and 400 Series Stainless Steels, Soft Steels RC 30 to 45, Series 38A, Specification 38A46-HVBEPPackage Quantity 5