CGW® Cut-off Wheel, High Speed Premium Straight, 2 in Wheel dia, 1/32 in Wheel Thickness, 3/8 in Center Hole, 60 Grit, Medium Grade, Aluminum Oxide Abrasive, 30000 rpm Maximum, Resin Bond, Applicable Materials: Metal and Steel, Wheel Type Number: Type 1, Wheel Hardness: R, For Use with: Die Grinders, Yes Reinforced CGW® 35689 High Speed Premium Straight Cut-Off Wheel, 2 in dia x 1/32 in Thick, 3/8 in Center Hole, 60 Grit, Aluminum Oxide Abrasive