FlexOvit® Specialist® Cut-Off Wheel, Heavy Duty, 14 in Wheel Dia, 1/8 in Wheel Thickness, 1 in Center Hole, 24 Grit, Aluminum Oxide/Silicon Carbide Abrasive, 5400 rpm Maximum, Resin Bond, Applicable Materials: Ductile, Cast Iron, Wheel Type Number: Type 1, Wheel Hardness: SB, For Use With: High Speed Saws, Yes Reinforced, ANSI B7.1 Specifications Met