SAIT® Cut-off Wheel, Thin High Speed, 3 in Wheel dia, 0.035 in Wheel Thickness, 3/8 in Center Hole, A60T Grit, Medium Grade, Aluminum Oxide Abrasive, 25000 rpm Maximum, Resin Bond, Applicable Materials: Ferrous Metals and High Tensile Metals, Wheel Type Number: Type 1, Wheel Hardness: T, For Use with: Die Grinders, Reinforced: Yes SAIT® 23051 Thin High Speed Cut-Off Wheel, 3 in dia x 0.035 in Thick, 3/8 in Center Hole, A60T Grit, Aluminum Oxide Abrasive