Straight Grinding Wheel Abrasive Wheel Type Type 1 Abrasive Wheel Diameter 7 In. Thickness 3/4 In. Arbor Hole Size 1-1/4 In. Abrasive Material Ceramic Abrasive Grit 46 Abrasive Wheel Hardness I Max RPM 3600 Series 5SG Specification 5SG46-IVS Grade Coarse Bond Type Vitrified Package Quantity 5